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'''Sonia Sotomayor''' (born June 25, 1954) is a ] on the ]. On May 26, 2009, ] ] nominated Judge Sotomayor for appointment to the ] to replace retiring ] ].<ref name='NYTannounce'>{{cite web|url=http://thecaucus.blogs.nytimes.com/2009/05/26/obama-makes-decision-on-supreme-court-nominee/|title=Obama Chooses Sotomayor for Supreme Court Nominee|author=Jeff Zeleny|publisher=New York Times|date=May 26, 2009|accessdate=May 26,2009}}</ref><ref name="USLaw">{{cite news |title=Sonia Sotomayor: Supreme Court Nominee|url=http://www.uslaw.com/sotomayor|date=2009-05-26 |accessdate=2009-05-26}}</ref> | '''Sonia Sotomayor''' (born June 25, 1954) is a ] on the ]. On May 26, 2009, ] ] nominated Judge Sotomayor for appointment to the ] to replace retiring ] ].<ref name='NYTannounce'>{{cite web|url=http://thecaucus.blogs.nytimes.com/2009/05/26/obama-makes-decision-on-supreme-court-nominee/|title=Obama Chooses Sotomayor for Supreme Court Nominee|author=Jeff Zeleny|publisher=New York Times|date=May 26, 2009|accessdate=May 26,2009}}</ref><ref name="USLaw">{{cite news |title=Sonia Sotomayor: Supreme Court Nominee|url=http://www.uslaw.com/sotomayor|date=2009-05-26 |accessdate=2009-05-26}}</ref> | ||
==Early life and family== | ==Early life and family== | ||
Sotomayor was born in ], ], to ] parents. She grew up in a housing project in the ], a short walk from ].<ref name="ABA Profile">{{cite web |title=Sonia Sotomayor (ABA Profile, National Hispanic Heritage Month 2000) |url=http://www.abanet.org/publiced/hispanic_s.html}}</ref><ref name="Legal Bases">{{cite book |first=Roger I. |last=Abrams |title=Legal Bases |publisher=Temple University Press |date=2001 |page=173}}</ref> She was diagnosed with Type I Diabetes at age 8.<ref name="McKinley">{{cite news |first=James C. |last=McKinley |authorlink= |coauthors= |title=Woman in the News; Strike-Zone Arbitrator — Sonia Sotomayor |url=http://query.nytimes.com/gst/fullpage.html?res=990CE7D7163FF932A35757C0A963958260 |work=New York Times |publisher= |date=1995-04-01 |accessdate= }}</ref> Her father, a tool-and-die worker with a third-grade education, died the following year.<ref name="Hoffman">{{cite news |first=Jan |last=Hoffman |authorlink= |coauthors= |title=A Breakthrough Judge: What She Always Wanted |url=http://query.nytimes.com/gst/fullpage.html?res=9E0CE7D8173AF936A1575AC0A964958260&sec=&spon=&partner=permalink&exprod=permalink |work=New York Times |publisher= |date=1992-09-25 |accessdate= }}</ref> Her mother, Selena Sotomayor, a nurse, raised Sotomayor and her younger brother, Juan Sotomayor, who is now a doctor.<ref>Supreme Court Nomination Acceptance Speech; May 26, 2009.</ref> Sotomayor has often stated that her mother is her life inspiration.<ref>Supreme Court Nomination Acceptance Speech; May 26, 2009.</ref> In 1976, Sotomayor married while a student at Princeton University and divorced in 1983.<ref name="McKinley"/> | Sotomayor was born in ], ], to ] parents. She grew up in a housing project in the ], a short walk from ].<ref name="ABA Profile">{{cite web |title=Sonia Sotomayor (ABA Profile, National Hispanic Heritage Month 2000) |url=http://www.abanet.org/publiced/hispanic_s.html}}</ref><ref name="Legal Bases">{{cite book |first=Roger I. |last=Abrams |title=Legal Bases |publisher=Temple University Press |date=2001 |page=173}}</ref> She was diagnosed with Type I Diabetes at age 8.<ref name="McKinley">{{cite news |first=James C. |last=McKinley |authorlink= |coauthors= |title=Woman in the News; Strike-Zone Arbitrator — Sonia Sotomayor |url=http://query.nytimes.com/gst/fullpage.html?res=990CE7D7163FF932A35757C0A963958260 |work=New York Times |publisher= |date=1995-04-01 |accessdate= }}</ref> Her father, a tool-and-die worker with a third-grade education, died the following year.<ref name="Hoffman">{{cite news |first=Jan |last=Hoffman |authorlink= |coauthors= |title=A Breakthrough Judge: What She Always Wanted |url=http://query.nytimes.com/gst/fullpage.html?res=9E0CE7D8173AF936A1575AC0A964958260&sec=&spon=&partner=permalink&exprod=permalink |work=New York Times |publisher= |date=1992-09-25 |accessdate= }}</ref> Her mother, Selena Sotomayor, a nurse, raised Sotomayor and her younger brother, Juan Sotomayor, who is now a doctor.<ref>Supreme Court Nomination Acceptance Speech; May 26, 2009.</ref> Sotomayor has often stated that her mother is her life inspiration.<ref>Supreme Court Nomination Acceptance Speech; May 26, 2009.</ref> In 1976, Sotomayor married while a student at Princeton University and divorced in 1983.<ref name="McKinley"/> | ||
==Education and early legal career== | ==Education and early legal career== | ||
Sotomayor graduated from ] in the Bronx. She earned her ] from ], graduating ''summa cum laude'' in 1976.<ref name="Shapiro Daily Princetonian">{{cite news |first=Michael |last=Shapiro |authorlink= |coauthors= |title=Sonia Sotomayor '76 is very smart |url=http://blogs.dailyprincetonian.com/2009/05/sonia-sotomayor-76-is-very-smart.html |work= |publisher=The Daily Princetonian |date=2009-05-05 |accessdate=2009-05-06 }}</ref> Sotomayor obtained her ] from ] in 1979, where she was an editor of the '']''. Sotomayor then served as an Assistant ] under prominent ] District Attorney ], prosecuting robberies, assaults, murders, police brutality, and child pornography cases. In 1984, she entered private practice, making partner at the commercial litigation firm of Pavia & Harcourt, where she specialized in ] litigation.<ref name ="ABA Profile"/><ref name ="Hoffman"/><ref name="ABA Journal">{{cite news |first=Terry |last=Carter |authorlink= |coauthors=Stephanie Francis Ward |title=The Lawyers Who May Run America |url=http://abajournal.com/magazine/the_lawyers_who_may_run_america_obama |work=ABA Journal |publisher= |date=November 2008 |accessdate=2009-01-17 }}</ref> | Sotomayor graduated from ] in the Bronx. She earned her ] from ], graduating ''summa cum laude'' in 1976.<ref name="Shapiro Daily Princetonian">{{cite news |first=Michael |last=Shapiro |authorlink= |coauthors= |title=Sonia Sotomayor '76 is very smart |url=http://blogs.dailyprincetonian.com/2009/05/sonia-sotomayor-76-is-very-smart.html |work= |publisher=The Daily Princetonian |date=2009-05-05 |accessdate=2009-05-06 }}</ref> Sotomayor obtained her ] from ] in 1979, where she was an editor of the '']''. Sotomayor then served as an Assistant ] under prominent ] District Attorney ], prosecuting robberies, assaults, murders, police brutality, and child pornography cases. In 1984, she entered private practice, making partner at the commercial litigation firm of Pavia & Harcourt, where she specialized in ] litigation.<ref name ="ABA Profile"/><ref name ="Hoffman"/><ref name="ABA Journal">{{cite news |first=Terry |last=Carter |authorlink= |coauthors=Stephanie Francis Ward |title=The Lawyers Who May Run America |url=http://abajournal.com/magazine/the_lawyers_who_may_run_america_obama |work=ABA Journal |publisher= |date=November 2008 |accessdate=2009-01-17 }}</ref> | ||
==Federal judicial service== | ==Federal judicial service== | ||
Considered a political centrist<ref name ="McKinley"/><ref name="Hoffman"/><ref name="ABA Journal"/><ref name="Adams">{{cite news |first=Edward A. |last=Adams |authorlink= |coauthors= |title=Who Will Replace Justice Souter? |url=http://abajournal.com/news/who_will_replace_justice_souter |work=ABA Journal |publisher= |date=2009-04-30 |accessdate=2009-05-01 }}</ref><ref name="Shepard">{{cite news |first=Scott |last=Shepard |authorlink= |coauthors= |title=Speculation Already Under Way on Possible Obama Supreme Court Nominations |url=http://www.coxwashington.com/hp/content/reporters/stories/2008/22/2008/11/24/OBAMA_SCOTUS23_COX.html |work=Cox News Service |publisher= |date=2008-11-24 |accessdate=2009-01-17 }}</ref><ref name="Biskupic">{{cite news |first=Joan |last=Biskupic |authorlink= |title=The next president could tip high court |url=http://www.usatoday.com/news/politicselections/nation/president/2004-09-29-election-court-cover_x.htm |work=USA Today |publisher= |date=2005-07-19 |accessdate= }}</ref><ref name="Dallas Morning News 95">{{cite news |first=James |last=McKinley |authorlink= |title=Tough on the Bench: Judge who issued injunction against owners gets high marks by peers |url= |work=Dallas Morning News |publisher= |date=1995-04-02 |accessdate= }}</ref><ref name="Times Topics">{{cite news |first=|last= |authorlink= |title=Times Topics: Sonia Sotomayor |url=http://topics.nytimes.com/top/reference/timestopics/people/s/sonia_sotomayor/index.html?inline=nyt-per |work=New York Times |publisher= |date= |accessdate=2009-05-01 }}</ref> by the American Bar Association Journal<ref name="ABA Journal"/><ref name="Adams"/> and others,<ref name ="McKinley"/><ref name="Hoffman"/><ref name="Shepard"/><ref name="Biskupic"/><ref name="Dallas Morning News 95"/><ref name="Times Topics"/> Sotomayor was nominated on ], ], by President ] to a seat on the ] vacated by ] She became the youngest judge in the Southern District<ref name="Times Topics"/> and the first Hispanic federal judge anywhere in New York State.<ref>{{cite news |first=Wayne |last=King |authorlink= |coauthors= |title=Hispanic Nominee for U.S. Bench |url=http://query.nytimes.com/gst/fullpage.html?res=9D0CE5DE173FF931A35750C0A967958260 |work=New York Times |publisher= |date=1991-03-02 |accessdate= }}</ref> | Considered a political centrist<ref name ="McKinley"/><ref name="Hoffman"/><ref name="ABA Journal"/><ref name="Adams">{{cite news |first=Edward A. |last=Adams |authorlink= |coauthors= |title=Who Will Replace Justice Souter? |url=http://abajournal.com/news/who_will_replace_justice_souter |work=ABA Journal |publisher= |date=2009-04-30 |accessdate=2009-05-01 }}</ref><ref name="Shepard">{{cite news |first=Scott |last=Shepard |authorlink= |coauthors= |title=Speculation Already Under Way on Possible Obama Supreme Court Nominations |url=http://www.coxwashington.com/hp/content/reporters/stories/2008/22/2008/11/24/OBAMA_SCOTUS23_COX.html |work=Cox News Service |publisher= |date=2008-11-24 |accessdate=2009-01-17 }}</ref><ref name="Biskupic">{{cite news |first=Joan |last=Biskupic |authorlink= |title=The next president could tip high court |url=http://www.usatoday.com/news/politicselections/nation/president/2004-09-29-election-court-cover_x.htm |work=USA Today |publisher= |date=2005-07-19 |accessdate= }}</ref><ref name="Dallas Morning News 95">{{cite news |first=James |last=McKinley |authorlink= |title=Tough on the Bench: Judge who issued injunction against owners gets high marks by peers |url= |work=Dallas Morning News |publisher= |date=1995-04-02 |accessdate= }}</ref><ref name="Times Topics">{{cite news |first=|last= |authorlink= |title=Times Topics: Sonia Sotomayor |url=http://topics.nytimes.com/top/reference/timestopics/people/s/sonia_sotomayor/index.html?inline=nyt-per |work=New York Times |publisher= |date= |accessdate=2009-05-01 }}</ref> by the American Bar Association Journal<ref name="ABA Journal"/><ref name="Adams"/> and others,<ref name ="McKinley"/><ref name="Hoffman"/><ref name="Shepard"/><ref name="Biskupic"/><ref name="Dallas Morning News 95"/><ref name="Times Topics"/> Sotomayor was nominated on ], ], by President ] to a seat on the ] vacated by ] She became the youngest judge in the Southern District<ref name="Times Topics"/> and the first Hispanic federal judge anywhere in New York State.<ref>{{cite news |first=Wayne |last=King |authorlink= |coauthors= |title=Hispanic Nominee for U.S. Bench |url=http://query.nytimes.com/gst/fullpage.html?res=9D0CE5DE173FF931A35750C0A967958260 |work=New York Times |publisher= |date=1991-03-02 |accessdate= }}</ref> | ||
It is the longstanding practice in most states, including New York, for home-state senators of both parties to play roles in recommending individuals for federal District Court judgeships.<ref name="CRS Role">{{Citation |first=Dennis |last=Rutkus |authorlink= |title=CRS Report for Congress: Role of Home State Senators in the Selection of Lower Federal Court Judges |url=http://assets.opencrs.com/rpts/RL34405_20080306.pdf |work=USA Today |publisher= |page=14 |date=2008-03-06 |accessdate= }}</ref> According to a blog post by ] activist ], ] ] ] of ] suggested Sotomayor's name to ] and Bush appointed centrist Sotomayor in a deal that allowed a conservative judge to be appointed as well.<ref>{{cite blog |last=Whelan |first=Ed |author-link=M._Edward_Whelan_III |title=Shorter Bench |url=http://bench.nationalreview.com/post/?q=N2Y5MTY2NzcwYjU1N2JiMDIxZTE2Nzc0ODNjYzZkYTc= |work="National Review Online blog"}}</ref> Sotomayor was confirmed by the ] on August 11, 1992, and received her commission the next day. | It is the longstanding practice in most states, including New York, for home-state senators of both parties to play roles in recommending individuals for federal District Court judgeships.<ref name="CRS Role">{{Citation |first=Dennis |last=Rutkus |authorlink= |title=CRS Report for Congress: Role of Home State Senators in the Selection of Lower Federal Court Judges |url=http://assets.opencrs.com/rpts/RL34405_20080306.pdf |work=USA Today |publisher= |page=14 |date=2008-03-06 |accessdate= }}</ref> According to a blog post by ] activist ], ] ] ] of ] suggested Sotomayor's name to ] and Bush appointed centrist Sotomayor in a deal that allowed a conservative judge to be appointed as well.<ref>{{cite blog |last=Whelan |first=Ed |author-link=M._Edward_Whelan_III |title=Shorter Bench |url=http://bench.nationalreview.com/post/?q=N2Y5MTY2NzcwYjU1N2JiMDIxZTE2Nzc0ODNjYzZkYTc= |work="National Review Online blog"}}</ref> Sotomayor was confirmed by the ] on August 11, 1992, and received her commission the next day. | ||
On ], ], she issued the preliminary injunction against ], preventing MLB from unilaterally implementing a new ] and using ], thus ending the ].<ref name="Legal Bases"/><ref name="Smith">{{cite news |first=Greg B. |last=Smith |authorlink= |coauthors= |title=Judge's Journey to Top: Bronx' Sotomayor Rose From Projects to Court of Appeals |url= |work=New York Daily News |publisher= |date=1998-10-24 |accessdate= }}</ref> In another high-profile case, she issued an order allowing the '']'' to publish ]'s suicide note.<ref>{{cite magazine |title=100 Most Influential Hispanics |url=http://www.hispanicbusiness.com/_client/pdf/influentials05.pdf |work=Hispanic Business |month=October | year=2005 |page=74|format=PDF}}</ref> | On ], ], she issued the preliminary injunction against ], preventing MLB from unilaterally implementing a new ] and using ], thus ending the ].<ref name="Legal Bases"/><ref name="Smith">{{cite news |first=Greg B. |last=Smith |authorlink= |coauthors= |title=Judge's Journey to Top: Bronx' Sotomayor Rose From Projects to Court of Appeals |url= |work=New York Daily News |publisher= |date=1998-10-24 |accessdate= }}</ref> In another high-profile case, she issued an order allowing the '']'' to publish ]'s suicide note.<ref>{{cite magazine |title=100 Most Influential Hispanics |url=http://www.hispanicbusiness.com/_client/pdf/influentials05.pdf |work=Hispanic Business |month=October | year=2005 |page=74|format=PDF}}</ref> | ||
{{mergefrom|Criticism of Linux|Talk:Linux#Merger proposal|date=May 2009}} | |||
{{two other uses|operating systems that use the Linux kernel|the kernel itself|Linux kernel|}} | |||
{{infobox OS | |||
| logo = | |||
| screenshot = ] | |||
| caption = ] the penguin, mascot of the Linux kernel | |||
| family = ] | |||
| frequently_updated = yes | |||
| kernel_type = ] | |||
| supported_platforms = ], ], ], ], ], ], ], ], ], ], ], ], ] and more <!-- please do not include 64 bit extensions of 32 bit ISAs, e.g. sparc64, ppc64, x86-64, etc. --> | |||
| license = Various including ], ], ] and others | |||
<ref>{{cite web | title = Debian GNU/Linux Licenses - Ohloh | url = https://www.ohloh.net/p/debian/analyses/latest | publisher = ohloh.net | accessdate = 2009-03-27 }}</ref> | |||
| working_state = Current | |||
}} | |||
'''Linux''' (commonly {{pron-en|ˈlɪnəks}}<!--NOTE: Please do NOT change the pronunciation. While /ˈlɪnʊks/ is Torvalds' pronunciation, /ˈlɪnəks/ is by far the most common pronunciation among English speakers and Misplaced Pages uses the most common pronunciation, it doesn't try to establish which one is the "correct" one--><ref>Torvalds used {{IPA|/ˈlɪnʊks/}} in English.<br/>{{ cite newsgroup | newsgroups = comp.os.linux | title = Re: How to pronounce "Linux"? | id = 1992Apr23.123216.22024@klaava.Helsinki.FI | date = 23 April 1992 | accessdate = 2007-01-09 }}<br/> Torvalds has made available an audio sample with his pronunciation in English ({{IPA|/ˈlɪnʊks/}}: {{cite web | url = http://www.paul.sladen.org/pronunciation/ | title = How to pronounce Linux? | accessdate = 2006-12-17 }}) and in Swedish ({{IPA|/ˈlɪːnɤks/}}: {{cite web | url = http://www.kernel.org/pub/linux/kernel/SillySounds/ | title = Linus pronouncing Linux in English and Swedish | accessdate = 2007-01-20 }}</ref>) is a generic term referring to ] computer ]s based on the ]. Their development is one of the most prominent examples of ] collaboration; typically all the underlying ] can be used, freely modified, and redistributed by anyone under the terms of the ]<ref>{{cite web | title = Linux Online ─ About the Linux Operating System | url = http://www.linux.org/info/index.html | publisher = Linux.org | accessdate = 2007-07-06 }}</ref> and other free licenses. | |||
Linux is predominantly known for its use in ]s, although it is installed on a wide variety of computer ], ranging from ] and ] to ].<ref>{{cite web | title = Linux rules supercomputers | url = http://www.forbes.com/home/enterprisetech/2005/03/15/cz_dl_0315linux.html | last = Lyons | first = Daniel | accessdate = 2007-02-22 }}</ref> ]s, installed on both ] and ] computers, have become increasingly commonplace in recent years, owing largely to the popular ] distribution and to the emergence of ].<ref name="Economist04Dec08"> {{cite news|url = http://www.economist.com/science/tq/displaystory.cfm?story_id=12673233|title = Small is beautiful|accessdate = 2008-12-21|last = ]|authorlink = |year = 2008|month = December}}</ref><ref name="Economist23Dec07"> {{cite news|url = http://www.economist.com/science/displaystory.cfm?story_id=10410912|title = Technology in 2008|accessdate = 2008-12-21|last = ]|authorlink = |year = 2007|month = December}}</ref> | |||
The name "Linux" ({{Audio|Linus-linux.ogg|listen}}) comes from the ], originally written in 1991 by ]. The rest of the system usually comprises components such as the ], the ], the ], and ] and ] from the ] operating system (announced in 1983 by ]). Commonly-used applications with desktop Linux systems include the ] web-browser and the ] office application suite. The GNU contribution is the basis for the ]'s preferred name ''''']'''''.<ref name="lsag">{{ cite book | url = http://www.tldp.org/LDP/sag/html/sag.html#GNU-OR-NOT | title = Linux System Administrator's Guide | chapter = 1.1 | edition = version 0.9 | date = 2004 | accessdate = 2007-01-18 | first = Alex | last = Weeks }}</ref><ref name="gnu_homepage">{{cite web|url=http://www.gnu.org/ |title=The GNU Operating System |publisher=Gnu.org |accessdate=2009-04-17}}</ref> | |||
== History == | |||
{{double image|right|Richard Matthew Stallman cropped.jpeg|150|Linus Torvalds cropped.jpeg|150|], left, founder of the ], and ], right, ] of the ]}} | |||
{{seealso|History of Linux}} | |||
The ] operating system was conceived and implemented in the 1960s and first released in 1970. Its wide availability and ] meant that it was widely adopted, copied and modified by academic institutions and businesses, with its design being influential on authors of other systems. | |||
The ], started in 1984 by ], had the goal of creating a "''complete Unix-compatible software system''"<ref name="gnu_announce">{{cite web|url=http://www.gnu.org/gnu/initial-announcement.html |title=About the GNU Project - Initial Announcement |publisher=Gnu.org |date=2008-06-23 |accessdate=2009-03-09}}</ref> composed entirely of ]. The next year Stallman created the ] and wrote the ] (GNU GPL) in 1989. By the early 1990s, many of the programs required in an operating system (such as libraries, ]s, ]s, a ], and a windowing system) were completed, although low-level elements such as ]s, ]s, and the ] were stalled and incomplete.<ref name="gnu history">{{cite web|url=http://www.gnu.org/gnu/gnu-history.html |title=Overview of the GNU System |publisher=Gnu.org |date= |accessdate=2009-03-09}}</ref> Linus Torvalds has said that if the GNU kernel had been available at the time (1991), he would not have decided to write his own.<ref>{{cite web | url = http://people.fluidsignal.com/~luferbu/misc/Linus_vs_Tanenbaum.html | title = Linus vs. Tanenbaum debate }}</ref> | |||
=== MINIX === | |||
In 1991 while attending the ], Torvalds began to work on a non-commercial replacement for ],<ref>{{ cite newsgroup | title = What would you like to see most in minix? | newsgroup = comp.os.minix | id = 1991Aug25.205708.9541@klaava.Helsinki.FI | url = http://groups.google.com/group/comp.os.minix/msg/b813d52cbc5a044b | last = Torvalds | first = Linus | accessdate = 2006-09-09 }}</ref> which would eventually become the ]. | |||
Linux was dependent on the MINIX ] at first. With code from the GNU system freely available, it was advantageous if this could be used with the fledgling OS. Code licensed under the GNU GPL can be used in other projects, so long as they also are released under the same or a compatible license. In order to make the Linux kernel compatible with the components from the GNU Project, Torvalds initiated a switch from his original license (which prohibited commercial redistribution) to the GNU GPL.<ref>{{cite web | title = RELEASE NOTES FOR LINUX v0.12 | first = Linus | last = Torvalds | url = http://www.kernel.org/pub/linux/kernel/Historic/old-versions/RELNOTES-0.12 | authorlink = Linus Torvalds | date = 1992-01-05 | accessdate = 2007-07-23 | publisher = Linux Kernel Archives | quote = The Linux copyright will change: I've had a couple of requests to make it compatible with the GNU copyleft, removing the “you may not distribute it for money” condition. I agree. I propose that the copyright be changed so that it confirms to GNU ─ pending approval of the persons who have helped write code. I assume this is going to be no problem for anybody: If you have grievances ("I wrote that code assuming the copyright would stay the same") mail me. Otherwise The GNU copyleft takes effect as of the first of February. If you do not know the gist of the GNU copyright ─ read it. }}</ref> Developers worked to integrate GNU components with Linux to make a fully functional and free operating system.<ref name="gnu history"/> | |||
=== Commercial and popular uptake === | |||
{{main|Linux adoption}} | |||
Today Linux distributions are used in numerous domains, from ]s to ]s,<ref>{{cite web | title = Linux system development on an embedded device | url = http://www-128.ibm.com/developerworks/library/l-embdev.html | first = Anand | last = Santhanam | coauthors = Vishal Kulkarni | work = DeveloperWorks | publisher = IBM | date = 1 March 2002 | accessdate = 2007-07-26 }}</ref><ref>{{cite web| last = Lyons | first = Daniel| title = Linux rules supercomputers | url = http://www.forbes.com/home/enterprisetech/2005/03/15/cz_dl_0315linux.html | accessdate = 2007-02-22}}</ref> and have secured a place in ] installations with the popular ] application stack.<ref>{{cite web| last = Schrecker| first = Michael| title = Turn on Web Interactivity with LAMP | url = http://www.techsoup.org/learningcenter/webbuilding/page5067.cfm | accessdate = 2007-02-22}}</ref> Use of Linux distributions in home and enterprise desktops has been expanding.<ref name="galli2007">{{cite news | first=Peter | last=Galli | coauthors= | title=Vista Aiding Linux Desktop, Strategist Says | date=] | publisher=Ziff Davis Enterprise Inc. | url =http://www.eweek.com/c/a/Linux-and-Open-Source/Vista-Aiding-Linux-Desktop-Strategist-Says/ | work =eWEEK | pages = | accessdate = 2007-11-19 | language = }}</ref><ref name="paul2007">{{cite news | first=Ryan | last=Paul | coauthors= | title=Linux market share set to surpass Win 98, OS X still ahead of Vista | date=] | publisher=Ars Technica, LLC | url =http://arstechnica.com/news.ars/post/20070903-linux-marketshare-set-to-surpass-windows-98.html | work =Ars Technica | pages = | accessdate = 2007-11-19 | language = }}</ref><ref name="beer2007">{{cite news | first=Stan | last=Beer | coauthors= | title=Vista to play second fiddle to XP until 2009: Gartner | date=] | publisher=iTWire | url =http://www.itwire.com.au/content/view/8842/53/ | work =iTWire | pages = | accessdate = 2007-11-19 | language = }}</ref><ref name="applications2007"> {{cite web|url=http://marketshare.hitslink.com/report.aspx?qprid=2&qpmr=15&qpdt=1&qpct=3&qptimeframe=Y |title=Operating System Marketshare for Year 2007 |accessdate=2007-11-19 |date=2007-11-19 |work=Market Share |publisher=Net Applications }}</ref><ref name="xitimonitor2007">{{cite news | first= | last= | coauthors= | title=Vista slowly continues its growth; Linux more aggressive than Mac OS during the summer | date=] | publisher=AT Internet/XiTi.com | url =http://www.xitimonitor.com/en-us/internet-users-equipment/operating-systems-august-2007/index-1-2-7-107.html | work =XiTiMonitor | pages = | accessdate = 2007-11-19 | language = }}</ref><ref name="globalstats2007"> {{cite web|url=http://www.w3counter.com/globalstats.php |title=Global Web Stats |accessdate=2007-11-19 |date=2007-11-10 |work=W3Counter |publisher=Awio Web Services LLC }}</ref><ref name="zeitgeist2004"> {{cite web|url=http://www.google.com/press/zeitgeist/zeitgeist-jun04.html |title=June 2004 Zeitgeist |accessdate=2007-11-19 |date=2004-08-12 |work=Google Press Center |publisher=Google Inc. }}</ref> They have also gained popularity with various local and national governments. The federal government of Brazil is well known for its support for Linux.<ref>{{cite web | url = http://news.cnet.com/Brazils-love-of-Linux/2009-1042_3-6245409.html | title = Brazil's love of Linux | accessdate = 2009-02-21 }}</ref><ref>{{cite news | url = http://news.bbc.co.uk/2/hi/business/3445805.stm | title = Brazil falls in love with Linux | accessdate = 2009-02-21 }}</ref> News of the Russian military creating their own Linux distribution has also surfaced.<ref>{{cite web | url = http://www.osor.eu/news/lv-minister-open-standards-improve-efficiency-and-transparency | title = LV: Minister: "Open standards improve efficiency and transparency" | accessdate = 2009-02-21 }}</ref> ] has gone so far as to make it mandatory for all state high schools to run Linux on their computers.<ref>{{cite web | url = http://www.businessweek.com/globalbiz/content/sep2006/gb20060921_463452.htm | title = Linux Spreads its Wings in India | accessdate = 2009-02-21 }}</ref> ] uses Linux exclusively as the operating system for its ] processor family to achieve technology independence. <ref>{{cite web | url = http://www.mdronline.com/watch/watch_Issue.asp?Volname=Issue+%23110308&on=1 | title = China’s Microprocessor Dilemma | accessdate = 2009-04-15 | publisher = ] }}</ref> ] and ] have also taken steps towards the adoption of Linux.<ref>{{cite web | url = http://seattlepi.nwsource.com/business/48925_linuxop01.shtml | title = Some countries are choosing Linux systems over Microsoft | accessdate = 2009-02-21 }}</ref> | |||
Linux distributions have also become popular with the newly founded ] market, with many devices such as the ] and ] shipping with customized Linux distributions pre-installed. | |||
=== Current development === | |||
Torvalds continues to direct the development of the kernel. Stallman heads the Free Software Foundation, which in turn supports the GNU components. Finally, individuals and corporations develop third-party non-GNU components. These third-party components comprise a vast body of work and may include both kernel modules and user applications and libraries. Linux vendors and communities combine and distribute the kernel, GNU components, and non-GNU components, with additional package management software in the form of ]s. | |||
For the 2.6.29 release only, the kernel's ], a penguin named ], has been temporarily replaced by ] in order to highlight efforts to save the ] from extinction.<ref>{{cite web|url=http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8032b526d1a3bd91ad633dd3a3b5fdbc47ad54f1 |title=linux/kernel/git/torvalds/linux-2.6.git/commit |publisher=git.kernel.org |date= |accessdate=2009-03-28}}</ref> | |||
== Design == | |||
A Linux-based system is a modular ] operating system. It derives much of its basic design from principles established in Unix during the 1970s and 1980s. Such a system uses a ], the ], which handles process control, networking, and ] and ] access. ] are integrated directly with the kernel. | |||
Separate projects that interface with the kernel provide much of the system's higher-level functionality. The GNU ] is an important part of most Linux-based systems, providing the most common implementation of the ], a popular ], and many of the common ]s which carry out many basic operating system tasks. The ] (or GUI) used by most Linux systems is based on the ]. | |||
=== User interface === | |||
{{see also|User interface}} | |||
Users can control a Linux-based system through a ] (or CLI), a ] (or GUI), or through controls attached to the associated hardware (this is common for embedded systems). For desktop systems, the default mode is usually graphical user interface (or GUI). | |||
On desktop machines, ], ] and ] are the most popular user interfaces,<ref>{{cite web | title = Debian popularity-contest program information | url = http://times.debian.net/1092-30000-popcon-submissions }}</ref> though a variety of additional user interfaces exist. Most popular user interfaces run on top of the ] (or X), which provides ], enabling a graphical application running on one machine to be displayed and controlled from another. | |||
Other GUIs include ]s such as ], ] and ]. The window manager provides a means to control the placement and appearance of individual application windows, and interacts with the X window system. | |||
A Linux system typically provides a CLI of some sort through a ], which is the traditional way of interacting with a Unix system. A Linux distribution specialized for servers may use the CLI as its only interface. A “headless system” run without even a monitor can be controlled by the command line via a remote-control protocol such as ] or ]. | |||
Most low-level Linux components, including the GNU ], use the CLI exclusively. The CLI is particularly suited for automation of repetitive or delayed tasks, and provides very simple ]. A graphical ] program is often used to access the CLI from a Linux desktop. | |||
== Development == | |||
{{main|Linux distribution}} | |||
] operating systems showing Linux's origins. Note that despite similar architectural designs and concepts being shared as part of the ] standard, Linux does not share any non-free source code with the original ] or ].]] | |||
The primary difference between Linux and many other popular contemporary operating systems is that the ] and other components are ] and ]. Linux is not the only such operating system, although it is by far the most widely used. Some ] and ] software licenses are based on the principle of ], a kind of reciprocity: any work derived from a copyleft piece of software must also be copyleft itself. The most common free software license, the ], is a form of copyleft, and is used for the Linux kernel and many of the components from the ]. | |||
Linux based distributions are intended by developers for ] with other operating systems and established computing standards. Linux systems adhere to ],<ref>{{cite web | url = http://www.ukuug.org/newsletter/linux-newsletter/linux@uk21/posix.shtml | title = POSIX.1 (FIPS 151-2) Certification }}</ref> ],<ref>{{cite web | title = How source code compatible is Debian with other Unix systems? | url = http://www.debian.org/doc/FAQ/ch-compat.en.html#s-otherunices | work = Debian FAQ | publisher = the Debian project }}</ref> ] and ] standards where possible, although to date only one Linux distribution has been POSIX.1 certified, Linux-FT.<ref>{{cite web | url = http://www.linuxjournal.com/article/0131 | title = Certifying Linux }}</ref> | |||
Free software projects, although developed in a ] fashion, are often produced independently of each other. The fact that the software licenses explicitly permit redistribution, however, provides a basis for larger scale projects that collect the software produced by stand-alone projects and make it available all at once in the form of a ]. | |||
A ], commonly called a "distro", is a project that manages a remote collection of system software and application software packages available for download and installation through a network connection. This allows the user to adapt the operating system to his/her specific needs. Distributions are maintained by individuals, loose-knit teams, volunteer organizations, and commercial entities. A distribution can be installed using a CD that contains distribution-specific software for initial system installation and configuration. A package manager such as ] allows later package upgrades and installs. A distribution is responsible for the default configuration of the installed Linux kernel, general system security, and more generally integration of the different software packages into a coherent whole. | |||
=== Community === | |||
{{see also|Free software community|Linux Users Group}} | |||
A distribution is largely driven by its developer and user communities. Some vendors develop and fund their distributions on a volunteer basis, ] being a well-known example. Others maintain a community version of their commercial distributions, as ] does with ]. | |||
In many cities and regions, local associations known as ]s (LUGs) seek to promote their preferred distribution and by extension free software. They hold meetings and provide free demonstrations, training, technical support, and operating system installation to new users. Many ] communities also provide support to Linux users and developers. Most distributions and free software / open source projects have ] chatrooms or ]s. ]s are another means for support, with notable examples being ] and the ] forums. Linux distributions host ]s; commonly there will be a specific topic such as usage or development for a given list. | |||
There are several technology websites with a Linux focus. Print ]s on Linux often include ]s including software or even complete Linux distributions.<ref>{{cite web | url=http://www.linuxformat.co.uk/dvd/ | title=Linux Format DVD contents | author=] | accessdate=2008-01-17 }}</ref><ref>{{cite web | url=http://www.linux-magazine.com/resources/current_issue | title=Current Issue | author=] | accessdate=2008-01-17 }}</ref> | |||
Although ] are generally available without charge, several large corporations sell, support, and contribute to the development of the components of the system and of ]. These include ], ], ], ], ], ], ]. A number of corporations, notably ], have built their entire business around Linux distributions. | |||
The ], on which the various software packages of a distribution built on the Linux kernel are based, explicitly accommodate and encourage commercialization; the relationship between a Linux distribution as a whole and individual vendors may be seen as ]. One common business model of commercial suppliers is charging for support, especially for business users. A number of companies also offer a specialized business version of their distribution, which adds proprietary support packages and tools to administer higher numbers of installations or to simplify administrative tasks. Another business model is to give away the software in order to sell hardware. | |||
=== Programming on Linux === | |||
Most Linux distributions support dozens of ]s. The most common collection of utilities for building both Linux applications and operating system programs is found within the ], which includes the ] (GCC) and the ]. Amongst others, GCC provides compilers for ], ], ], ], and ]. The Linux kernel itself is written to be compiled with GCC. ] compilers for Linux include the ], ], and IBM XL C/C++ Compiler. | |||
Most distributions also include support for ], ], ] and other ]. Examples of languages that are less common, but still supported, are ] via the ] project, sponsored by ], and ]. A number of ]s and development kits run on Linux, including the original Sun Microsystems JVM (]), and IBM's J2SE RE, as well as many open-source projects like ]. | |||
The two main frameworks for developing graphical applications are those of ] and ]. These projects are based on the ] and ] ]s, respectively, which can also be used independently of the larger framework. Both support a wide variety of languages. There are a number of ]s available including ], ], ], ], ], ], ], and ] while the long-established editors ] and ] remain popular.<ref>{{cite web | first = Joe | last = Brockmeier | title = A survey of Linux Web development tools | url = http://programming.linux.com/programming/05/10/03/1828224.shtml?tid=63&tid=47 | accessdate = 2006-12-16 }}</ref> | |||
== Uses == | |||
] (with ]) <ref>{{cite web|url=http://hacktolive.org/Portable_Ubuntu_for_Windows |title=Portable Ubuntu for Windows |publisher=Hacktolive.org |date=2009-01-26 |accessdate=2009-03-09}}</ref>]] | |||
As well as those designed for general purpose use on desktops and servers, distributions may be specialized for different purposes including: ] support, ], stability, security, localization to a specific region or language, targeting of specific user groups, support for ] applications, or commitment to a given desktop environment. Furthermore, some distributions deliberately include only ]. Currently, over three hundred distributions are actively developed, with about a dozen distributions being most popular for general-purpose use.<ref>{{cite web | url = http://lwn.net/Distributions/ | title = The LWN.net Linux Distribution List | accessdate = 2006-05-19 }}</ref> | |||
Linux is a widely ] operating system kernel. The Linux kernel runs on a highly diverse range of ]s: in the hand-held ]-based ] and the ] ] ], in devices ranging from ]s to ]s.<ref>{{cite web| url = http://www.freeos.com/articles/4737/ | title = If I could re-write Linux | first = Prakash | last = Advani | date = 8 February 2004 | accessdate = 2007-01-23 | publisher = freeos.com }}</ref> Specialized distributions exist for less mainstream architectures. The ] kernel ] can run on ] or ] ] microprocessors, while the ] kernel fork may run on systems without a ]. The kernel also runs on architectures that were only ever intended to use a manufacturer-created operating system, such as ] computers (with both ] and ] processors), ]s, ]s, ], and ]s. | |||
=== Desktop === | |||
]: currently the most popular desktop Linux distribution.<ref>{{cite web|title=Desktop Market Linux Survey|url=http://www.desktoplinux.com/cgi-bin/survey/survey.cgi?view=archive&id=0813200712407|accessdate=2009-03-30|date=2007-08-21}}</ref><ref name="DistroStats"> {{cite web|url =http://distrowatch.com/stats.php?section=popularity|title = Linux Distributions - Facts and Figures|accessdate = 2009-03-30|last = ]|authorlink = |year = 2009|month = March}}</ref>]] | |||
] 4.0 using the ] desktop]] | |||
], another popular Linux desktop distribution]] | |||
{{main|Desktop Linux}} | |||
The popularity of Linux on standard desktops (and laptops) has been increasing over the years. Currently most distributions include a graphical user environment. The two most popular such environments ] and ], both of which are mature, and support a wide variety of languages. | |||
In the past, the performance of Linux on the desktop has been a controversial topic; for example in 2007 ] accused the Linux community of favoring performance on servers. He quit Linux kernel development because he was frustrated with this lack of focus on the desktop, and then gave a "tell all" interview on the topic.<ref>{{cite web|title=Linux: why I quit|url=http://apcmag.com/node/6735/|accessdate=2008-01-18|date=2007-07-24|work=APC Magazine|publisher=ACP Magazines}}</ref> However since then significant effort has been expended improving the desktop experience. For example, projects such as ] aim for a faster boot time.<ref>{{cite web|title=Performance of Java on Ubuntu vs Windows|url=http://www.phoronix.com/scan.php?page=article&item=java_vm_performance&num=1}}</ref> In the field of ], the Linux desktop still lags behind Windows, <ref>{{Cite web|url=http://www.phoronix.com/scan.php?page=article&item=908&num=1 |title=A Synopsis Of Linux Graphics Drivers |author=Michael Larabel |date=9 November 2007 |accessdate=31 March 2009}}</ref> however there are ] that do port their own or other companies games to Linux. | |||
Many types of applications available for ] and ] are also available for Linux. Commonly, either a ] application will exist which does the functions of an application found on another operating systems, or that application will, in fact, work on Linux (such as ]). Furthermore, the ] project provides a Windows compatibility layer to run unmodified Windows applications on Linux. ] is a proprietary solution based on the open source ] project that supports running Windows versions of ], ] applications such as ] and ], ] versions through CS2, and many popular games such as '']'' and '']''. In other cases, although there is no Linux port of some software in areas such as ]<ref> {{cite web|url=http://www.freeos.com/articles/2540/ |title=Microsoft Office for Linux? |accessdate=2008-02-03 |last=Advani |first=Prakash |date=2000-10-27 |work=FreeOS |publisher=FreeOS Technologies (I) Pvt. Ltd. }}</ref> and ],<ref> {{cite web|url=http://arstechnica.com/guides/tweaks/linux-audio.ars |title=Editing audio in Linux |accessdate=2008-02-03 |last=Smith-Heisters |first=Ian |date=2005-10-11 |work=Ars Technica |publisher=Ars Technica, LLC }}</ref><ref> {{cite web|url=http://www.keyboardmag.com/article/linux-its-not/apr-07/27458 |title=Linux: It's Not Just For Computer Geeks Anymore |accessdate=2008-02-03 |last=Lumma |first=Carl |date=April 2007 |work=Keyboard Magazine |publisher=New Bay Media, LLC. }}</ref><ref> {{cite web|url=http://www.soundonsound.com/sos/feb04/articles/mirrorimage.htm |title=Using Linux For Recording & Mastering |accessdate=2008-02-03 |last=James |first=Daniel |date=February 2004 |work=Sound On Sound |publisher=SOS Publications Group }}</ref> there is equivalent software available on Linux. | |||
Many popular applications work on a wide variety of operating systems. For example ], and ] work on all major operating systems. Furthermore, some applications were initially developed for Linux (such as ], and ]) and, due to their popularity, were ported to other operating systems (including Windows and Mac OS X). | |||
A growing number of proprietary desktop applications are also supported on Linux,<ref>{{cite web | url = http://www.iist.unu.edu/globaldesktop/ | title = The Global Desktop Project, Building Technology and Communities|accessdate = 2006-05-07 }}</ref> see ]. In the field of animation and visual effects, most high end software, such as ], Softimage XSI and ], is available for Linux, Windows and/or Mac OS X. | |||
The collaborative nature of free software development allows distributed teams to ] Linux distributions for use in locales where localizing proprietary systems would not be cost-effective. For example the ] version of the ] distribution was available significantly before ] was translated to Sinhalese.{{Fact|date=April 2009}} In this case the Lanka Linux User Group played a major part in developing the localized system by combining the knowledge of university professors, ]s, and local developers. | |||
To install new software in Windows, users either download a digital distribution or use a traditional installation medium (such as CD-ROM). Both of these methods usually provide a "Software Installation Wizard" to guide the user through the setup. On most Linux distributions, there are utilities for browsing a list of thousands of applications installed with a single click. Some of these programs are the ], ], and ]. However, installing software not in the official repositories is not always easy, and sometimes the only option is to compile from source. | |||
=== Servers and supercomputers === | |||
] | |||
Historically, ] have mainly been used as ] operating systems, and have risen to prominence in that area; ] reported in September 2006 that eight of the ten most reliable internet hosting companies ran Linux distributions on their ]s.<ref>{{cite web | title = Rackspace Most Reliable Hoster in September | url = http://news.netcraft.com/archives/2006/10/07/rackspace_most_reliable_hoster_in_september.html | publisher = Netcraft | date = 7 October 2006 | accessdate = 2006-11-01}}</ref> (As of June 2008, Linux distributions represented five of ten, ] three of ten, and ] two of ten.<ref>{{cite web | title = Aplus.Net is the Most Reliable Hosting Company Site in June 2008 | url = http://news.netcraft.com/archives/2008/07/07/aplusnet_is_the_most_reliable_hosting_company_site_in_june_2008.html | publisher = Netcraft | date = 7 July 2008 | accessdate = 2008-07-28}}</ref>) | |||
Linux distributions are the cornerstone of the ] server-software combination (Linux, ], ], ]/]/]) which has achieved popularity among developers, and which is one of the more common platforms for website hosting. | |||
]s are also commonly used as ] for ]s: as of November 2008, out of the top 500 systems, 439 (87.8%) run a Linux distribution.<ref>{{cite web|author=Courtenay Vaughan |url=http://www.top500.org/stats/list/32/osfam |title=Operating system Family share for 11/2008 | TOP500 Supercomputing Sites |publisher=Top500.org |date= |accessdate=2009-03-09}}</ref> | |||
=== Embedded devices === | |||
{{see also|Embedded Linux|Linux devices}} | |||
] and ], with docking cradle and stylus]] | |||
Due to its low cost and ability to be easily modified, an ] is often used in ]. Linux has become a major competitor to the proprietary ] found in the majority of smartphones—16.7% of ]s sold worldwide during 2006 were using Linux<ref>{{cite web | url = http://www.informationweek.com/showArticle.jhtml?articleID=197000995 | title = The Palm OS Clings To Life }}</ref>—and it is an alternative to the proprietary ] and ] operating systems on ]s. Cell phones or PDAs running on Linux and built on open source platform became a trend from 2007, like ], ]'s ], Motorola RAZR2 v8, ], Motorola MING series, Motorola ZINE and the on-going ]. The popular ] digital video recorder uses a customized version of Linux.<ref>{{cite web | url = http://www.tivo.com/linux/linux.asp | title = TiVo ─ GNU/Linux Source Code | accessdate = 2006-12-12 |archiveurl=http://web.archive.org/web/20070519150730/http://www.tivo.com/linux/linux.asp |archivedate=2007-05-19}}</ref> Several network ] and ] standalone products, including several from ], use Linux internally, using its advanced firewall and routing capabilities. The ] and the ] ]s also run Linux.<ref>{{cite web |url=http://www.mvista.com/downloads/Case_study_MontaVista_Linux_and_Yamaha.pdf |title=Case Study: How MontaVista Linux helped Yamaha developers make a great product greater |accessdate=2007-08-26}}</ref> Furthermore, Linux is used in the leading ] control system, FlyingPig/HighEnd WholeHogIII Console.<ref>{{cite web | url=http://www.highend.com/products/controllers/Wholehog3Console.asp | title=Embedded Linux: FlyingPigs the WholeHogIII runs on Linux}}</ref> | |||
=== Market share and uptake === | |||
{{Main|Linux adoption}} | |||
Many quantitative studies of ] / open source software focus on topics including market share and reliability, with numerous studies specifically examining Linux.<ref>{{cite web | first = David A | last = Wheeler | url = http://www.dwheeler.com/oss_fs_why.html | title = Why Open Source Software/Free Software (OSS/FS)? Look at the Numbers! | accessdate = 2006-04-01 }}</ref> The Linux market is growing rapidly, and the revenue of servers, desktops, and packaged software running Linux was expected to exceed $35.7 billion by 2008.<ref>{{cite web | url = http://www.techweb.com/wire/showArticle.jhtml?articleID=55800522 | title = Linux To Ring Up $35 Billion By 2008 | accessdate = 2006-04-01 }}</ref> | |||
]'s report for Q1 2007 says that Linux now holds 12.7% of the overall server market.<ref name="Linux-watch.com IDC's Q1 2007 report">{{cite web|url=http://www.linux-watch.com/news/NS5369154346.html |title=─ IDC Q1 2007 report |publisher=Linux-watch.com |date=2007-05-29 |accessdate=2009-03-09}}</ref> This estimate was based on the number of Linux servers sold by various companies. Although, with web servers that do not belong to companies, i.e. personal web servers and blog sites, the percentage of overall market share is higher than that of the Microsoft web server.{{Fact|date=November 2008}} | |||
Estimates for the desktop market share of Linux range from less than one percent to almost two percent. In comparison, ] hold more than 90%.<ref name="galli2007"/><ref name="paul2007"/><ref name="beer2007"/><ref name="applications2007"/><ref name="xitimonitor2007"/><ref name="globalstats2007"/><ref name="zeitgeist2004"/> | |||
The frictional cost of switching operating systems and lack of support for certain hardware and application programs designed for ] have been two factors that have inhibited adoption. Proponents and analysts attribute the relative success of Linux to its security, reliability,<ref>{{cite web | url = http://www-306.ibm.com/software/info/features/feb152005/ | title = Why customers are flocking to Linux }}</ref> low cost, and freedom from ].<ref>{{cite web | url = http://www.ca.com/za/news/2005/20051010_linux.htm| title = The rise and rise of Linux }}</ref> | |||
Also most recently Google has begun to fund ], which acts as a compatibility layer, allowing users to run some Windows programs under Linux.<ref>{{cite mailing list |last=Kegel |first=Dan |url=http://article.gmane.org/gmane.comp.emulators.wine.devel/56872 |title=Google's support for Wine in 2007 |date=2008-02-14 |mailinglist=wine-devel |accessdate=2009-01-03}}</ref><ref>{{cite web | |||
|url=http://code.google.com/opensource/wine.html | |||
|title=Open Source Patches: Wine | |||
|publisher=Google | |||
|accessdate=2008-09-07 | |||
}}</ref> | |||
The ] project of One Laptop Per Child is creating a new and potentially much larger Linux community, planned to reach several hundred million schoolchildren and their families and communities in developing countries.<ref>{{cite web|title=mission|url=http://www.laptop.org/en/vision/mission/index.shtml|publisher=laptop.org|accessdate=2008-08-14}}</ref> Six countries have ordered a million or more units each for delivery in 2007 to distribute to schoolchildren at no charge. ], ], and ] are major supporters of the project.<ref>{{Dead link|date=March 2009}}</ref> While the XO will also have a Windows option, it will be primarily deployed using ]. | |||
In the film industry, Linux has been the platform of choice for several years. The first major film produced on Linux servers was ] in 1997. Since then major studios like ], ] and ] have moved to Linux.<ref>{{cite web | url = http://www.linuxjournal.com/article/5472 | title = Industry of Change: Linux Storms Hollywood | accessdate = 2009-03-11 }}</ref><ref>{{cite web | url = http://video.fosdem.org/2008/maintracks/FOSDEM2008-tuxwithshades.ogg | title = Tux with Shades, Linux in Hollywood | accessdate = 2009-03-11 }}</ref> Currently more than 95% of the servers and desktops at large animation and visual effects companies use Linux.<ref>{{cite web | url = http://www.linuxmovies.org/ | title = LinuxMovies.org - Advancing Linux Motion Picture Technology | accessdate = 2009-03-11 }}</ref> | |||
{{see also|Usage share of desktop operating systems|List of Linux computers}} | |||
== Copyright and naming == | |||
The Linux kernel and most GNU software are ]d under the ] (GPL). The GPL requires that anyone who distributes the Linux kernel must make the source code (and any modifications) available to the recipient under the same terms. In 1997, Linus Torvalds stated, “Making Linux GPL'd was definitely the best thing I ever did.”<ref>{{cite web | url = http://kde.sw.com.sg/food/linus.html | title = Linus Torvalds interview | accessdate = 2007-09-13 |archiveurl=http://web.archive.org/web/20070311190841/http://kde.sw.com.sg/food/linus.html |archivedate=2007-03-11}}</ref> Other key components of a Linux system may use other licenses; many libraries use the ] (LGPL), a more permissive variant of the GPL, and the ] uses the ]. | |||
Torvalds has publicly stated that he would not move the Linux kernel (currently licensed under GPL version 2) to version 3 of the GPL, released in mid-2007, specifically citing some provisions in the new license which prohibit the use of the software in ].<ref>{{cite web | url=http://lkml.org/lkml/2006/1/25/273 | title=Re: GPL V3 and Linux ─ Dead Copyright Holders | author=Torvalds, Linus | date=2006-01-26 | publisher=]}}</ref><ref>{{cite web | url=http://lkml.org/lkml/2006/9/25/161 | title=Re: GPLv3 Position Statement | author=Torvalds, Linus | date=2006-09-25 | publisher=]}}</ref> | |||
A 2001 study of ] 7.1 found that this distribution contained 30 million ]. Using the ], the study estimated that this distribution required about eight thousand man-years of development time. According to the study, if all this software had been developed by conventional ] means, it would have cost about 1.08 billion dollars (year 2000 U.S. dollars) to develop in the United States.<ref name = "estimating_size">{{cite web | first = David A | last = Wheeler | date = 2002-07-29 | url = http://www.dwheeler.com/sloc/redhat71-v1/redhat71sloc.html | title = More Than a Gigabuck: Estimating GNU/Linux's Size | accessdate = 2006-05-11 }}</ref> | |||
Most of the code (71%) was written in the ] ] ], but many other languages were used, including ], ], ], ], ], and various ]ing languages. Slightly over half of all lines of code were licensed under the GPL. The Linux kernel itself was 2.4 million lines of code, or 8% of the total.<ref name = "estimating_size"/> | |||
In a later study, the same analysis was performed for Debian GNU/Linux version 4.0.<ref>{{cite web | first = Juan José | last = Amor | coauthors = et al. | date = 17 June 2007 | url = https://penta.debconf.org/~joerg/attachments/33-measuring_etch_slides.pdf | title = Measuring Etch: the size of Debian 4.0 | accessdate = 2007-09-16 }}</ref> This distribution contained over 283 million source lines of code, and the study estimated that it would have cost 5.4 billion euros to develop by conventional means. | |||
In the United States, the name ''Linux'' is a trademark registered to Linus Torvalds.<ref>{{cite web | url = http://assignments.uspto.gov/assignments/q?db=tm&rno=1916230 | title = U.S. Reg No: 1916230 | publisher = United States Patent and Trademark Office | accessdate = 2006-04-01 }}</ref> Initially, nobody registered it, but on 15 August 1994, William R. Della Croce, Jr. filed for the trademark ''Linux'', and then demanded royalties from Linux distributors. In 1996, Torvalds and some affected organizations sued him to have the trademark assigned to Torvalds, and in 1997 the case was settled.<ref>{{cite web | url = http://www.linuxjournal.com/article/9065 | title = Linux Timeline | publisher = Linux Journal | date = 31 May 2006 }}</ref> The licensing of the trademark has since been handled by the ]. Torvalds has stated that he trademarked the name only to prevent someone else from using it, but was bound in 2005 by ] to take active measures to enforce the trademark. As a result, the LMI sent letters to distribution vendors requesting that a fee be paid for the use of the name, and a number of companies have complied.<ref>{{cite web | url = http://www.infoworld.com/article/05/09/05/36OPopenent_1.html | title = Linus gets tough on Linux trademark | accessdate = 2006-09-04 | date = 2005-09-05 }}</ref> | |||
{{see also|SCO-Linux controversies}} | |||
=== GNU/Linux === | |||
{{main|GNU/Linux naming controversy}} | |||
The ] views Linux distributions which use GNU software as ] and they ask that such operating systems be referred to as ''GNU/Linux'' or ''a Linux-based GNU system''.<ref>{{cite web | title = Linux and the GNU Project | url = http://www.gnu.org/gnu/linux-and-gnu.html | first = Richard | last = Stallman | authorlink = Richard Stallman | date = 2007-03-03 | accessdate = 2007-03-12 | publisher = Free Software Foundation }}</ref> The media and common usage, however, refers to this family of operating systems simply as ''Linux'', as do many large Linux distributions (e.g. ]<ref name="UbuntuHomePage"> {{cite web|url = http://www.ubuntu.com/|title = About Ubuntu|accessdate = 2009-03-22|last = ]|authorlink = |year = 2009}}</ref> and ] Linux). Some distributions use ''GNU/Linux'' (particularly notable is ]), but the term's use outside of the enthusiast community is limited. The naming issue remains a source of confusion to many newcomers, and the naming remains controversial. Linus Torvalds is against the GNU/Linux naming, stating that Linux is not a GNU project.<ref>{{cite web | title = GPLv3 Position Statement | url = http://lkml.org/lkml/2006/9/25/161 | first = Linus | last = Torvalds | authorlink = Linus Torvalds | date = 2006-09-25 | accessdate = 2009-01-05 | publisher = Linux Kernel Mailing List . ORG }}</ref> | |||
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==Confirmation as Court of Appeals Judge== | ==Confirmation as Court of Appeals Judge== |
Revision as of 17:31, 26 May 2009
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Sonia Sotomayor | |
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Sotomayor in 2009 | |
Associate Justice of the United States Supreme Court-nominee | |
Assuming office pending confirmation from U.S. Senate | |
Nominated by | Barack Obama |
Succeeding | David Souter |
Circuit Judge of the United States Court of Appeals for the 2nd Circuit | |
Incumbent | |
Assumed office October 7, 1998 | |
Nominated by | Bill Clinton |
Preceded by | J. Daniel Mahoney |
Personal details | |
Born | (1954-06-25) June 25, 1954 (age 70) The Bronx, New York |
Nationality | United States |
Alma mater | Yale Law School (J.D.) Princeton University (A.B.) |
Sonia Sotomayor (born June 25, 1954) is a federal judge on the U.S. Court of Appeals for the Second Circuit. On May 26, 2009, President Barack Obama nominated Judge Sotomayor for appointment to the U.S. Supreme Court to replace retiring Justice David Souter.
Early life and family
Sotomayor was born in The Bronx, New York, to Puerto Rican parents. She grew up in a housing project in the South Bronx, a short walk from Yankee Stadium. She was diagnosed with Type I Diabetes at age 8. Her father, a tool-and-die worker with a third-grade education, died the following year. Her mother, Selena Sotomayor, a nurse, raised Sotomayor and her younger brother, Juan Sotomayor, who is now a doctor. Sotomayor has often stated that her mother is her life inspiration. In 1976, Sotomayor married while a student at Princeton University and divorced in 1983.
Education and early legal career
Sotomayor graduated from Cardinal Spellman High School in the Bronx. She earned her A.B. from Cornell University, graduating summa cum laude in 1976. Sotomayor obtained her J.D. from Yale Law School in 1979, where she was an editor of the Yale Law Journal. Sotomayor then served as an Assistant District Attorney under prominent New York County District Attorney Robert Morgenthau, prosecuting robberies, assaults, murders, police brutality, and child pornography cases. In 1984, she entered private practice, making partner at the commercial litigation firm of Pavia & Harcourt, where she specialized in intellectual property litigation.
Federal judicial service
Considered a political centrist by the American Bar Association Journal and others, Sotomayor was nominated on November 27, 1991, by President George H. W. Bush to a seat on the U.S. District Court for the Southern District of New York vacated by John M. Walker, Jr. She became the youngest judge in the Southern District and the first Hispanic federal judge anywhere in New York State.
It is the longstanding practice in most states, including New York, for home-state senators of both parties to play roles in recommending individuals for federal District Court judgeships. According to a blog post by conservative activist Ed Whelan, Democratic Senator Daniel Patrick Moynihan of New York suggested Sotomayor's name to President Bush and Bush appointed centrist Sotomayor in a deal that allowed a conservative judge to be appointed as well. Sotomayor was confirmed by the United States Senate on August 11, 1992, and received her commission the next day.
On March 30, 1995, she issued the preliminary injunction against Major League Baseball, preventing MLB from unilaterally implementing a new Collective Bargaining Agreement and using replacement players, thus ending the 1994 baseball strike. In another high-profile case, she issued an order allowing the Wall Street Journal to publish Vince Foster's suicide note.
It has been suggested that Criticism of Linux and Talk:Linux#Merger proposal be merged into this article. (Discuss) Proposed since May 2009. |
Tux the penguin, mascot of the Linux kernel | |
OS family | Unix-like |
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Working state | Current |
Platforms | x86, MIPS, x64, SPARC, DEC Alpha, Itanium, PowerPC, ARM, m68k, PA-RISC, s390, SuperH, M32R and more |
Kernel type | Monolithic kernel |
License | Various including GNU General Public License, BSD License, Apache License and others |
Linux (commonly Template:Pron-en) is a generic term referring to Unix-like computer operating systems based on the Linux kernel. Their development is one of the most prominent examples of free and open source software collaboration; typically all the underlying source code can be used, freely modified, and redistributed by anyone under the terms of the GNU GPL and other free licenses.
Linux is predominantly known for its use in servers, although it is installed on a wide variety of computer hardware, ranging from embedded devices and mobile phones to supercomputers. Linux distributions, installed on both desktop and laptop computers, have become increasingly commonplace in recent years, owing largely to the popular Ubuntu distribution and to the emergence of netbooks.
The name "Linux" (listen) comes from the Linux kernel, originally written in 1991 by Linus Torvalds. The rest of the system usually comprises components such as the Apache HTTP Server, the X Window System, the K Desktop Environment, and utilities and libraries from the GNU operating system (announced in 1983 by Richard Stallman). Commonly-used applications with desktop Linux systems include the Mozilla Firefox web-browser and the OpenOffice.org office application suite. The GNU contribution is the basis for the Free Software Foundation's preferred name GNU/Linux.
History
See also: History of LinuxThe Unix operating system was conceived and implemented in the 1960s and first released in 1970. Its wide availability and portability meant that it was widely adopted, copied and modified by academic institutions and businesses, with its design being influential on authors of other systems.
The GNU Project, started in 1984 by Richard Stallman, had the goal of creating a "complete Unix-compatible software system" composed entirely of free software. The next year Stallman created the Free Software Foundation and wrote the GNU General Public License (GNU GPL) in 1989. By the early 1990s, many of the programs required in an operating system (such as libraries, compilers, text editors, a Unix shell, and a windowing system) were completed, although low-level elements such as device drivers, daemons, and the kernel were stalled and incomplete. Linus Torvalds has said that if the GNU kernel had been available at the time (1991), he would not have decided to write his own.
MINIX
In 1991 while attending the University of Helsinki, Torvalds began to work on a non-commercial replacement for MINIX, which would eventually become the Linux kernel.
Linux was dependent on the MINIX user space at first. With code from the GNU system freely available, it was advantageous if this could be used with the fledgling OS. Code licensed under the GNU GPL can be used in other projects, so long as they also are released under the same or a compatible license. In order to make the Linux kernel compatible with the components from the GNU Project, Torvalds initiated a switch from his original license (which prohibited commercial redistribution) to the GNU GPL. Developers worked to integrate GNU components with Linux to make a fully functional and free operating system.
Commercial and popular uptake
Main article: Linux adoptionToday Linux distributions are used in numerous domains, from embedded systems to supercomputers, and have secured a place in server installations with the popular LAMP application stack. Use of Linux distributions in home and enterprise desktops has been expanding. They have also gained popularity with various local and national governments. The federal government of Brazil is well known for its support for Linux. News of the Russian military creating their own Linux distribution has also surfaced. India has gone so far as to make it mandatory for all state high schools to run Linux on their computers. China uses Linux exclusively as the operating system for its Loongson processor family to achieve technology independence. France and Germany have also taken steps towards the adoption of Linux.
Linux distributions have also become popular with the newly founded netbook market, with many devices such as the ASUS Eee PC and Acer Aspire One shipping with customized Linux distributions pre-installed.
Current development
Torvalds continues to direct the development of the kernel. Stallman heads the Free Software Foundation, which in turn supports the GNU components. Finally, individuals and corporations develop third-party non-GNU components. These third-party components comprise a vast body of work and may include both kernel modules and user applications and libraries. Linux vendors and communities combine and distribute the kernel, GNU components, and non-GNU components, with additional package management software in the form of Linux distributions.
For the 2.6.29 release only, the kernel's mascot, a penguin named Tux, has been temporarily replaced by Tuz in order to highlight efforts to save the Tasmanian Devil from extinction.
Design
A Linux-based system is a modular Unix-like operating system. It derives much of its basic design from principles established in Unix during the 1970s and 1980s. Such a system uses a monolithic kernel, the Linux kernel, which handles process control, networking, and peripheral and file system access. Device drivers are integrated directly with the kernel.
Separate projects that interface with the kernel provide much of the system's higher-level functionality. The GNU userland is an important part of most Linux-based systems, providing the most common implementation of the C library, a popular shell, and many of the common Unix tools which carry out many basic operating system tasks. The graphical user interface (or GUI) used by most Linux systems is based on the X Window System.
User interface
See also: User interfaceUsers can control a Linux-based system through a command line interface (or CLI), a graphical user interface (or GUI), or through controls attached to the associated hardware (this is common for embedded systems). For desktop systems, the default mode is usually graphical user interface (or GUI).
On desktop machines, KDE, GNOME and Xfce are the most popular user interfaces, though a variety of additional user interfaces exist. Most popular user interfaces run on top of the X Window System (or X), which provides network transparency, enabling a graphical application running on one machine to be displayed and controlled from another.
Other GUIs include X window managers such as FVWM, Enlightenment and Window Maker. The window manager provides a means to control the placement and appearance of individual application windows, and interacts with the X window system.
A Linux system typically provides a CLI of some sort through a shell, which is the traditional way of interacting with a Unix system. A Linux distribution specialized for servers may use the CLI as its only interface. A “headless system” run without even a monitor can be controlled by the command line via a remote-control protocol such as SSH or telnet.
Most low-level Linux components, including the GNU Userland, use the CLI exclusively. The CLI is particularly suited for automation of repetitive or delayed tasks, and provides very simple inter-process communication. A graphical terminal emulator program is often used to access the CLI from a Linux desktop.
Development
Main article: Linux distributionThe primary difference between Linux and many other popular contemporary operating systems is that the Linux kernel and other components are free and open source software. Linux is not the only such operating system, although it is by far the most widely used. Some free and open source software licenses are based on the principle of copyleft, a kind of reciprocity: any work derived from a copyleft piece of software must also be copyleft itself. The most common free software license, the GNU GPL, is a form of copyleft, and is used for the Linux kernel and many of the components from the GNU project.
Linux based distributions are intended by developers for interoperability with other operating systems and established computing standards. Linux systems adhere to POSIX, SUS, ISO and ANSI standards where possible, although to date only one Linux distribution has been POSIX.1 certified, Linux-FT.
Free software projects, although developed in a collaborative fashion, are often produced independently of each other. The fact that the software licenses explicitly permit redistribution, however, provides a basis for larger scale projects that collect the software produced by stand-alone projects and make it available all at once in the form of a Linux distribution.
A Linux distribution, commonly called a "distro", is a project that manages a remote collection of system software and application software packages available for download and installation through a network connection. This allows the user to adapt the operating system to his/her specific needs. Distributions are maintained by individuals, loose-knit teams, volunteer organizations, and commercial entities. A distribution can be installed using a CD that contains distribution-specific software for initial system installation and configuration. A package manager such as Synaptic allows later package upgrades and installs. A distribution is responsible for the default configuration of the installed Linux kernel, general system security, and more generally integration of the different software packages into a coherent whole.
Community
See also: Free software community and Linux Users GroupA distribution is largely driven by its developer and user communities. Some vendors develop and fund their distributions on a volunteer basis, Debian being a well-known example. Others maintain a community version of their commercial distributions, as Red Hat does with Fedora.
In many cities and regions, local associations known as Linux Users Groups (LUGs) seek to promote their preferred distribution and by extension free software. They hold meetings and provide free demonstrations, training, technical support, and operating system installation to new users. Many Internet communities also provide support to Linux users and developers. Most distributions and free software / open source projects have IRC chatrooms or newsgroups. Online forums are another means for support, with notable examples being LinuxQuestions.org and the Gentoo forums. Linux distributions host mailing lists; commonly there will be a specific topic such as usage or development for a given list.
There are several technology websites with a Linux focus. Print magazines on Linux often include cover disks including software or even complete Linux distributions.
Although Linux distributions are generally available without charge, several large corporations sell, support, and contribute to the development of the components of the system and of free software. These include Dell, IBM, HP, Oracle, Sun Microsystems, Novell, Nokia. A number of corporations, notably Red Hat, have built their entire business around Linux distributions.
The free software licenses, on which the various software packages of a distribution built on the Linux kernel are based, explicitly accommodate and encourage commercialization; the relationship between a Linux distribution as a whole and individual vendors may be seen as symbiotic. One common business model of commercial suppliers is charging for support, especially for business users. A number of companies also offer a specialized business version of their distribution, which adds proprietary support packages and tools to administer higher numbers of installations or to simplify administrative tasks. Another business model is to give away the software in order to sell hardware.
Programming on Linux
Most Linux distributions support dozens of programming languages. The most common collection of utilities for building both Linux applications and operating system programs is found within the GNU toolchain, which includes the GNU Compiler Collection (GCC) and the GNU build system. Amongst others, GCC provides compilers for Ada, C, C++, Java, and Fortran. The Linux kernel itself is written to be compiled with GCC. Proprietary compilers for Linux include the Intel C++ Compiler, Sun Studio, and IBM XL C/C++ Compiler.
Most distributions also include support for Perl, Ruby, Python and other dynamic languages. Examples of languages that are less common, but still supported, are C# via the Mono project, sponsored by Novell, and Scheme. A number of Java Virtual Machines and development kits run on Linux, including the original Sun Microsystems JVM (HotSpot), and IBM's J2SE RE, as well as many open-source projects like Kaffe.
The two main frameworks for developing graphical applications are those of GNOME and KDE. These projects are based on the GTK+ and Qt widget toolkits, respectively, which can also be used independently of the larger framework. Both support a wide variety of languages. There are a number of Integrated development environments available including Anjuta, Code::Blocks, Eclipse, KDevelop, Lazarus, MonoDevelop, NetBeans, and Omnis Studio while the long-established editors Vim and Emacs remain popular.
Uses
As well as those designed for general purpose use on desktops and servers, distributions may be specialized for different purposes including: computer architecture support, embedded systems, stability, security, localization to a specific region or language, targeting of specific user groups, support for real-time applications, or commitment to a given desktop environment. Furthermore, some distributions deliberately include only free software. Currently, over three hundred distributions are actively developed, with about a dozen distributions being most popular for general-purpose use.
Linux is a widely ported operating system kernel. The Linux kernel runs on a highly diverse range of computer architectures: in the hand-held ARM-based iPAQ and the mainframe IBM System z9, in devices ranging from mobile phones to supercomputers. Specialized distributions exist for less mainstream architectures. The ELKS kernel fork can run on Intel 8086 or Intel 80286 16-bit microprocessors, while the µClinux kernel fork may run on systems without a memory management unit. The kernel also runs on architectures that were only ever intended to use a manufacturer-created operating system, such as Macintosh computers (with both PowerPC and Intel processors), PDAs, video game consoles, portable music players, and mobile phones.
Desktop
Main article: Desktop LinuxThe popularity of Linux on standard desktops (and laptops) has been increasing over the years. Currently most distributions include a graphical user environment. The two most popular such environments GNOME and KDE, both of which are mature, and support a wide variety of languages.
In the past, the performance of Linux on the desktop has been a controversial topic; for example in 2007 Con Kolivas accused the Linux community of favoring performance on servers. He quit Linux kernel development because he was frustrated with this lack of focus on the desktop, and then gave a "tell all" interview on the topic. However since then significant effort has been expended improving the desktop experience. For example, projects such as upstart aim for a faster boot time. In the field of gaming, the Linux desktop still lags behind Windows, however there are several companies that do port their own or other companies games to Linux.
Many types of applications available for Microsoft Windows and Mac OS X are also available for Linux. Commonly, either a free software application will exist which does the functions of an application found on another operating systems, or that application will, in fact, work on Linux (such as Skype). Furthermore, the Wine project provides a Windows compatibility layer to run unmodified Windows applications on Linux. CrossOver is a proprietary solution based on the open source Wine project that supports running Windows versions of Microsoft Office, Intuit applications such as Quicken and QuickBooks, Adobe Photoshop versions through CS2, and many popular games such as World of Warcraft and Team Fortress 2. In other cases, although there is no Linux port of some software in areas such as desktop publishing and professional audio, there is equivalent software available on Linux.
Many popular applications work on a wide variety of operating systems. For example Mozilla Firefox, and OpenOffice.org work on all major operating systems. Furthermore, some applications were initially developed for Linux (such as Pidgin, and GIMP) and, due to their popularity, were ported to other operating systems (including Windows and Mac OS X).
A growing number of proprietary desktop applications are also supported on Linux, see List of proprietary software for Linux. In the field of animation and visual effects, most high end software, such as AutoDesk Maya, Softimage XSI and Apple Shake, is available for Linux, Windows and/or Mac OS X.
The collaborative nature of free software development allows distributed teams to localize Linux distributions for use in locales where localizing proprietary systems would not be cost-effective. For example the Sinhalese language version of the Knoppix distribution was available significantly before Microsoft Windows XP was translated to Sinhalese. In this case the Lanka Linux User Group played a major part in developing the localized system by combining the knowledge of university professors, linguists, and local developers.
To install new software in Windows, users either download a digital distribution or use a traditional installation medium (such as CD-ROM). Both of these methods usually provide a "Software Installation Wizard" to guide the user through the setup. On most Linux distributions, there are utilities for browsing a list of thousands of applications installed with a single click. Some of these programs are the Synaptic Package Manager, PackageKit, and Yum Extender. However, installing software not in the official repositories is not always easy, and sometimes the only option is to compile from source.
Servers and supercomputers
Historically, Linux distributions have mainly been used as server operating systems, and have risen to prominence in that area; Netcraft reported in September 2006 that eight of the ten most reliable internet hosting companies ran Linux distributions on their web servers. (As of June 2008, Linux distributions represented five of ten, FreeBSD three of ten, and Microsoft two of ten.)
Linux distributions are the cornerstone of the LAMP server-software combination (Linux, Apache, MySQL, Perl/PHP/Python) which has achieved popularity among developers, and which is one of the more common platforms for website hosting.
Linux distributions are also commonly used as operating systems for supercomputers: as of November 2008, out of the top 500 systems, 439 (87.8%) run a Linux distribution.
Embedded devices
See also: Embedded Linux and Linux devicesDue to its low cost and ability to be easily modified, an embedded Linux is often used in embedded systems. Linux has become a major competitor to the proprietary Symbian OS found in the majority of smartphones—16.7% of smartphones sold worldwide during 2006 were using Linux—and it is an alternative to the proprietary Windows CE and Palm OS operating systems on mobile devices. Cell phones or PDAs running on Linux and built on open source platform became a trend from 2007, like Nokia N810, Openmoko's Neo1973, Motorola RAZR2 v8, Motorola ROKR E8, Motorola MING series, Motorola ZINE and the on-going Google Android. The popular TiVo digital video recorder uses a customized version of Linux. Several network firewall and router standalone products, including several from Linksys, use Linux internally, using its advanced firewall and routing capabilities. The Korg OASYS and the Yamaha Motif XS music workstations also run Linux. Furthermore, Linux is used in the leading stage lighting control system, FlyingPig/HighEnd WholeHogIII Console.
Market share and uptake
Main article: Linux adoptionMany quantitative studies of free / open source software focus on topics including market share and reliability, with numerous studies specifically examining Linux. The Linux market is growing rapidly, and the revenue of servers, desktops, and packaged software running Linux was expected to exceed $35.7 billion by 2008.
IDC's report for Q1 2007 says that Linux now holds 12.7% of the overall server market. This estimate was based on the number of Linux servers sold by various companies. Although, with web servers that do not belong to companies, i.e. personal web servers and blog sites, the percentage of overall market share is higher than that of the Microsoft web server.
Estimates for the desktop market share of Linux range from less than one percent to almost two percent. In comparison, Microsoft operating systems hold more than 90%.
The frictional cost of switching operating systems and lack of support for certain hardware and application programs designed for Microsoft Windows have been two factors that have inhibited adoption. Proponents and analysts attribute the relative success of Linux to its security, reliability, low cost, and freedom from vendor lock-in.
Also most recently Google has begun to fund Wine, which acts as a compatibility layer, allowing users to run some Windows programs under Linux.
The XO laptop project of One Laptop Per Child is creating a new and potentially much larger Linux community, planned to reach several hundred million schoolchildren and their families and communities in developing countries. Six countries have ordered a million or more units each for delivery in 2007 to distribute to schoolchildren at no charge. Google, Red Hat, and eBay are major supporters of the project. While the XO will also have a Windows option, it will be primarily deployed using Red Hat Enterprise Linux.
In the film industry, Linux has been the platform of choice for several years. The first major film produced on Linux servers was Titanic in 1997. Since then major studios like Dreamworks Animation, Pixar and Industrial Light & Magic have moved to Linux. Currently more than 95% of the servers and desktops at large animation and visual effects companies use Linux.
See also: Usage share of desktop operating systems and List of Linux computersCopyright and naming
The Linux kernel and most GNU software are licensed under the GNU General Public License (GPL). The GPL requires that anyone who distributes the Linux kernel must make the source code (and any modifications) available to the recipient under the same terms. In 1997, Linus Torvalds stated, “Making Linux GPL'd was definitely the best thing I ever did.” Other key components of a Linux system may use other licenses; many libraries use the GNU Lesser General Public License (LGPL), a more permissive variant of the GPL, and the X Window System uses the MIT License.
Torvalds has publicly stated that he would not move the Linux kernel (currently licensed under GPL version 2) to version 3 of the GPL, released in mid-2007, specifically citing some provisions in the new license which prohibit the use of the software in digital rights management.
A 2001 study of Red Hat Linux 7.1 found that this distribution contained 30 million source lines of code. Using the Constructive Cost Model, the study estimated that this distribution required about eight thousand man-years of development time. According to the study, if all this software had been developed by conventional proprietary means, it would have cost about 1.08 billion dollars (year 2000 U.S. dollars) to develop in the United States.
Most of the code (71%) was written in the C programming language, but many other languages were used, including C++, assembly language, Perl, Python, Fortran, and various shell scripting languages. Slightly over half of all lines of code were licensed under the GPL. The Linux kernel itself was 2.4 million lines of code, or 8% of the total.
In a later study, the same analysis was performed for Debian GNU/Linux version 4.0. This distribution contained over 283 million source lines of code, and the study estimated that it would have cost 5.4 billion euros to develop by conventional means.
In the United States, the name Linux is a trademark registered to Linus Torvalds. Initially, nobody registered it, but on 15 August 1994, William R. Della Croce, Jr. filed for the trademark Linux, and then demanded royalties from Linux distributors. In 1996, Torvalds and some affected organizations sued him to have the trademark assigned to Torvalds, and in 1997 the case was settled. The licensing of the trademark has since been handled by the Linux Mark Institute. Torvalds has stated that he trademarked the name only to prevent someone else from using it, but was bound in 2005 by United States trademark law to take active measures to enforce the trademark. As a result, the LMI sent letters to distribution vendors requesting that a fee be paid for the use of the name, and a number of companies have complied.
See also: SCO-Linux controversiesGNU/Linux
Main article: GNU/Linux naming controversyThe Free Software Foundation views Linux distributions which use GNU software as GNU variants and they ask that such operating systems be referred to as GNU/Linux or a Linux-based GNU system. The media and common usage, however, refers to this family of operating systems simply as Linux, as do many large Linux distributions (e.g. Ubuntu and SuSE Linux). Some distributions use GNU/Linux (particularly notable is Debian GNU/Linux), but the term's use outside of the enthusiast community is limited. The naming issue remains a source of confusion to many newcomers, and the naming remains controversial. Linus Torvalds is against the GNU/Linux naming, stating that Linux is not a GNU project.
See also
- List of Linux distributions
- List of Linux kernel names
- Comparison of Linux distributions
- Comparison of Windows and Linux
- Comparison of open source and closed source
- The Cathedral and the Bazaar
- Free as in Freedom
- Linux Standard Base
- Plan 9 from Bell Labs
- Linux Documentation Project
- The Linux Action Show!
References
- Jeff Zeleny (May 26, 2009). "Obama Chooses Sotomayor for Supreme Court Nominee". New York Times. Retrieved May 26,2009.
{{cite web}}
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(help) - "Sonia Sotomayor: Supreme Court Nominee". 2009-05-26. Retrieved 2009-05-26.
- ^ "Sonia Sotomayor (ABA Profile, National Hispanic Heritage Month 2000)".
- ^ Abrams, Roger I. (2001). Legal Bases. Temple University Press. p. 173.
- ^ McKinley, James C. (1995-04-01). "Woman in the News; Strike-Zone Arbitrator — Sonia Sotomayor". New York Times.
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(help) - Supreme Court Nomination Acceptance Speech; May 26, 2009.
- Supreme Court Nomination Acceptance Speech; May 26, 2009.
- Shapiro, Michael (2009-05-05). "Sonia Sotomayor '76 is very smart". The Daily Princetonian. Retrieved 2009-05-06.
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(help) - ^ Carter, Terry (November 2008). "The Lawyers Who May Run America". ABA Journal. Retrieved 2009-01-17.
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- ^ McKinley, James (1995-04-02). "Tough on the Bench: Judge who issued injunction against owners gets high marks by peers". Dallas Morning News.
- ^ "Times Topics: Sonia Sotomayor". New York Times. Retrieved 2009-05-01.
- King, Wayne (1991-03-02). "Hispanic Nominee for U.S. Bench". New York Times.
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- Whelan, Ed. "Shorter Bench". "National Review Online blog".
- Smith, Greg B. (1998-10-24). "Judge's Journey to Top: Bronx' Sotomayor Rose From Projects to Court of Appeals". New York Daily News.
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(help) - "100 Most Influential Hispanics" (PDF). Hispanic Business. 2005. p. 74.
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- Torvalds used /ˈlɪnʊks/ in English.
"Re: How to pronounce "Linux"?". 23 April 1992. 1992Apr23.123216.22024@klaava.Helsinki.FI.{{cite newsgroup}}
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Torvalds has made available an audio sample with his pronunciation in English (/ˈlɪnʊks/: "How to pronounce Linux?". Retrieved 2006-12-17.) and in Swedish (/ˈlɪːnɤks/: "Linus pronouncing Linux in English and Swedish". Retrieved 2007-01-20. - "Linux Online ─ About the Linux Operating System". Linux.org. Retrieved 2007-07-06.
- Lyons, Daniel. "Linux rules supercomputers". Retrieved 2007-02-22.
- The Economist (2008). "Small is beautiful". Retrieved 2008-12-21.
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- "The GNU Operating System". Gnu.org. Retrieved 2009-04-17.
- "About the GNU Project - Initial Announcement". Gnu.org. 2008-06-23. Retrieved 2009-03-09.
- ^ "Overview of the GNU System". Gnu.org. Retrieved 2009-03-09.
- "Linus vs. Tanenbaum debate".
- Torvalds, Linus. "What would you like to see most in minix?". Newsgroup: comp.os.minix. 1991Aug25.205708.9541@klaava.Helsinki.FI. Retrieved 2006-09-09.
- Torvalds, Linus (1992-01-05). "RELEASE NOTES FOR LINUX v0.12". Linux Kernel Archives. Retrieved 2007-07-23.
The Linux copyright will change: I've had a couple of requests to make it compatible with the GNU copyleft, removing the "you may not distribute it for money" condition. I agree. I propose that the copyright be changed so that it confirms to GNU ─ pending approval of the persons who have helped write code. I assume this is going to be no problem for anybody: If you have grievances ("I wrote that code assuming the copyright would stay the same") mail me. Otherwise The GNU copyleft takes effect as of the first of February. If you do not know the gist of the GNU copyright ─ read it.
- Santhanam, Anand (1 March 2002). "Linux system development on an embedded device". DeveloperWorks. IBM. Retrieved 2007-07-26.
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- Schrecker, Michael. "Turn on Web Interactivity with LAMP". Retrieved 2007-02-22.
- ^ Galli, Peter (2007-08-08). "Vista Aiding Linux Desktop, Strategist Says". eWEEK. Ziff Davis Enterprise Inc. Retrieved 2007-11-19.
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- ^ "Vista slowly continues its growth; Linux more aggressive than Mac OS during the summer". XiTiMonitor. AT Internet/XiTi.com. 2007-09-24. Retrieved 2007-11-19.
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- ^ "June 2004 Zeitgeist". Google Press Center. Google Inc. 2004-08-12. Retrieved 2007-11-19.
- "Brazil's love of Linux". Retrieved 2009-02-21.
- "Brazil falls in love with Linux". Retrieved 2009-02-21.
- "LV: Minister: "Open standards improve efficiency and transparency"". Retrieved 2009-02-21.
- "Linux Spreads its Wings in India". Retrieved 2009-02-21.
- "China's Microprocessor Dilemma". Microprocessor Report. Retrieved 2009-04-15.
- "Some countries are choosing Linux systems over Microsoft". Retrieved 2009-02-21.
- "linux/kernel/git/torvalds/linux-2.6.git/commit". git.kernel.org. Retrieved 2009-03-28.
- "Debian popularity-contest program information".
- "POSIX.1 (FIPS 151-2) Certification".
- "How source code compatible is Debian with other Unix systems?". Debian FAQ. the Debian project.
- "Certifying Linux".
- Linux Format. "Linux Format DVD contents". Retrieved 2008-01-17.
- linux-magazine.com. "Current Issue". Retrieved 2008-01-17.
- Brockmeier, Joe. "A survey of Linux Web development tools". Retrieved 2006-12-16.
- "Portable Ubuntu for Windows". Hacktolive.org. 2009-01-26. Retrieved 2009-03-09.
- "The LWN.net Linux Distribution List". Retrieved 2006-05-19.
- Advani, Prakash (8 February 2004). "If I could re-write Linux". freeos.com. Retrieved 2007-01-23.
- "Desktop Market Linux Survey". 2007-08-21. Retrieved 2009-03-30.
- DistroWatch (2009). "Linux Distributions - Facts and Figures". Retrieved 2009-03-30.
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- Advani, Prakash (2000-10-27). "Microsoft Office for Linux?". FreeOS. FreeOS Technologies (I) Pvt. Ltd. Retrieved 2008-02-03.
- Smith-Heisters, Ian (2005-10-11). "Editing audio in Linux". Ars Technica. Ars Technica, LLC. Retrieved 2008-02-03.
- Lumma, Carl (April 2007). "Linux: It's Not Just For Computer Geeks Anymore". Keyboard Magazine. New Bay Media, LLC. Retrieved 2008-02-03.
- James, Daniel (February 2004). "Using Linux For Recording & Mastering". Sound On Sound. SOS Publications Group. Retrieved 2008-02-03.
- "The Global Desktop Project, Building Technology and Communities". Retrieved 2006-05-07.
- "Rackspace Most Reliable Hoster in September". Netcraft. 7 October 2006. Retrieved 2006-11-01.
- "Aplus.Net is the Most Reliable Hosting Company Site in June 2008". Netcraft. 7 July 2008. Retrieved 2008-07-28.
- Courtenay Vaughan. "Operating system Family share for 11/2008 | TOP500 Supercomputing Sites". Top500.org. Retrieved 2009-03-09.
- "The Palm OS Clings To Life".
- "TiVo ─ GNU/Linux Source Code". Archived from the original on 2007-05-19. Retrieved 2006-12-12.
- "Case Study: How MontaVista Linux helped Yamaha developers make a great product greater" (PDF). Retrieved 2007-08-26.
- "Embedded Linux: FlyingPigs the WholeHogIII runs on Linux".
- Wheeler, David A. "Why Open Source Software/Free Software (OSS/FS)? Look at the Numbers!". Retrieved 2006-04-01.
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- Kegel, Dan (2008-02-14). "Google's support for Wine in 2007". wine-devel (Mailing list). Retrieved 2009-01-03.
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- Torvalds, Linus (2006-01-26). "Re: GPL V3 and Linux ─ Dead Copyright Holders". Linux Kernel Mailing List.
- Torvalds, Linus (2006-09-25). "Re: GPLv3 Position Statement". Linux Kernel Mailing List.
- ^ Wheeler, David A (2002-07-29). "More Than a Gigabuck: Estimating GNU/Linux's Size". Retrieved 2006-05-11.
- Amor, Juan José (17 June 2007). "Measuring Etch: the size of Debian 4.0" (PDF). Retrieved 2007-09-16.
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- Canonical Ltd. (2009). "About Ubuntu". Retrieved 2009-03-22.
- Torvalds, Linus (2006-09-25). "GPLv3 Position Statement". Linux Kernel Mailing List . ORG. Retrieved 2009-01-05.
Further reading
- Weinberg, Bill (July 2008). Uniting Mobile Linux Application Platforms (PDF). LinuxPundit.com. p. 18.
External links
- The Linux Home Page at Linux Online
- Linux kernel website and archives
- The Linux Mark Institute (manages the Linux trade mark)
- The Linux Foundation
- GNU Project website
- The Linux Documentation Project
- Intro to Linux at HowStuffWorks
- Catalog of Linux, GNU and FOSS documentation
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Template:Link FA Template:Link FA
Confirmation as Court of Appeals Judge
On June 25, 1997, she was nominated by President Bill Clinton to the seat she now holds, which was vacated by J. Daniel Mahoney. Her nomination was approved overwhelmingly by the Senate Judiciary Committee, but became "embroiled in the sometimes tortured judicial politics of the Senate," as some Republicans said they did not want to consider the nomination because elevating Sotomayor to the Appeals Court would enhance her prospects of being appointed to the Supreme Court. An anonymous senator put a secret hold on her nomination, blocking it for over a year. Democratic Senator Patrick Leahy called the length of the hold "disturbing," "petty," and "shameful," also noting that at that time, "f the 10 judicial nominees whose nominations have been pending the longest before the Senate, eight are women and racial or ethnic minority candidates."
In 1998, several Hispanic organizations organized a petition drive in New York State, generating hundreds of signatures from New Yorkers to try to convince New York Republican Senator Al D'Amato to push the Senate leadership to bring Sotomayor's nomination to a vote. Her nomination had been pending for over a year when Majority Leader Trent Lott scheduled the vote. Many Republicans, including then-Judiciary Committee Chairman Orrin Hatch and six other Republicans who are still in the Senate today, voted for Sotomayor's confirmation to the Second Circuit. With solid Democratic support, and support from about half of Republicans, Sotomayor was confirmed on October 2, 1998, in a 67-29 vote, and she received her commission on October 7.
Sotomayor's statements on her judicial philosophy
In 2001 at the annual Judge Mario G. Olmos Law and Cultural Diversity Lecture at the University of California, Berkeley, Sotomayor stated, "I would hope that a wise Latina woman with the richness of her experiences would more often than not reach a better conclusion than a white male who hasn’t lived that life." At the same event, she also stated, "Whether born from experience or inherent physiological or cultural differences, our gender and national origins may and will make a difference in our judging." In 2005, she said that a "court of appeals is where policy is made. And I know — I know this is on tape, and I should never say that because we don’t make law. I know. O.K. I know. I'm not promoting it. I'm not advocating it. I'm — you know."
Awards and honors
Sotomayor has received honorary degrees from Lehman College, Princeton University, Brooklyn Law School, Pace University School of Law, Hofstra University, and Northeastern University. She was elected a member of the American Philosophical Society in 2002.
Other activities
While in private practice, Sotomayor was appointed in 1988 as one of the founding members of the New York City Campaign Finance Board, where she served for four years. She has also been a member of the Board of Directors of the State of New York Mortgage Agency (SONYMA), the Puerto Rican Legal Defense and Education Fund, and the foundation then known as the Maternity Center Association (now called Childbirth Connection).
Sotomayor was an Adjunct Professor at New York University School of Law from 1998 to 2007 and has been a lecturer-in-law at Columbia Law School since 1999. She is a member of the Board of Trustees of Princeton University and a longtime fan of the New York Yankees.
Nomination to the United States Supreme Court
Main article: Sonia Sotomayor Supreme Court nominationPrior to her selection as President Obama's nominee, Sotomayor had been regarded as a potential Supreme Court nominee by several presidents, both Republican and Democratic. She could enjoy bipartisan support. In July 2005, a number of Senate Democrats suggested Sotomayor, among others, to President George W. Bush as a nominee acceptable to them to fill the seat of retiring Supreme Court Justice Sandra Day O'Connor. The seat was eventually filled by Judge Samuel A. Alito, Jr. of the Third Circuit.
Since Barack Obama's election, there had been speculation that Sotomayor could be a leading candidate for the Supreme Court seat of Justice David Souter, or for any opening on the Court during Obama's term. On April 9, 2009, New York Senators Charles Schumer and Kirsten Gillibrand wrote a joint letter to President Obama urging him to appoint Sotomayor, or alternatively Interior Secretary Ken Salazar, to the Supreme Court if a vacancy should arise on the Court during his term. On April 30, 2009 David Souter's retirement plans were leaked to the media, and Sonia Sotomayor received early attention as a possible nominee for the seat to be vacated in June 2009. On May 13, 2009, the Associated Press reported that President Obama was considering Sotomayor, among others, for possible appointment to the United States Supreme Court. On May 26, 2009, Obama nominated Sotomayor to the court. If confirmed, this would make her the Supreme Court's first Latina justice.
Previous rulings
Intellectual property
In New York Times Co. v. Tasini, freelance journalists sued the New York Times Company for copyright infringement for the Times inclusion in an electronic archival database (LexisNexis) the work of freelancers it had published. Sotomayor (who was then a District Judge) ruled that the publisher had the right to license the freelancer's work. This decision was reversed on appeal, and the Supreme Court upheld the reversal; two dissenters (John Paul Stevens and Stephen Breyer) took Sotomayor's position.
In Castle Rock Entertainment, Inc. v. Carol Publishing Group, Sotomayor ruled that a book of trivia from the television program Seinfeld infringed on the copyright of the show's producer and did not constitute legal fair use. The United States Court of Appeals for the Second Circuit upheld Sotomayor's ruling.
Abortion
In Center for Reproductive Law and Policy v. Bush, Sotomayor upheld the Bush administration's implementation of the "Mexico City Policy" which requires foreign organizations receiving U.S. funds to "neither perform nor actively promote abortion as a method of family planning in other nations". Sotomayor held that the policy did not constitute a violation of equal protection, as the government "is free to favor the anti-abortion position over the pro-choice position, and can do so with public funds".
First Amendment rights
In Pappas v. Giuliani, Sotomayor dissented from her colleagues’ ruling that the NYPD could terminate an employee from his desk job who sent racist materials through the mail. Sotomayor argued that the First Amendment protected speech by the employee “away from the office, on own time,” even if that speech was “offensive, hateful, and insulting," and that therefore the employee's First Amendment claim should have gone to trial rather than being dismissed on summary judgment.
Fourth Amendment rights
In N.G. ex rel. S.G. v. Connecticut, Sotomayor dissented from her colleagues’ decision to uphold a series of strip searches of “troubled adolescent girls” in juvenile detention centers. While Sotomayor agreed that some of the strip searches at issue in the case were lawful, she would have held that due to the “the severely intrusive nature of strip searches,” they should not be allowed “in the absence of individualized suspicion, of adolescents who have never been charged with a crime.” She argued that an "individualized suspicion" rule was more consistent with Second Circuit precedent than the majority's rule.
In Leventhal v. Knapek, Sotomayor rejected a Fourth Amendment challenge by a public employee whose employer searched his office computer. She held that “ven though had some expectation of privacy in the contents of his office computer, the investigatory searches by the DOT did not violate his Fourth Amendment rights” because here “there were reasonable grounds for suspecting” the search would reveal evidence of “work-related misconduct.”
Employment Discrimination
Sotomayor was a member of the Second Circuit panel in a high-profile case that held that the City of New Haven could throw out its promotional test for firefighters and start over with a new test, because the City believed the test had a "disparate impact" on minority firefighters and it might therefore be subject to a lawsuit from minority firefighters if it certified the test results. (No black firefighters qualified for promotion under the test, whereas some had qualified under tests used in previous years.) Instead, white firefighters sued the City, claiming that their rights were violated because the test was thrown out. The case was recently heard by the U.S. Supreme Court as Ricci v. DeStefano, and a ruling has not yet been issued.
See also
References
- ^ Lewis, Neil A. (1998-10-03). "After Delay, Senate Approves Judge for Court in New York". New York Times.
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(help) - Lewis, Neil A. (1998-06-13). "G.O.P., Its Eyes On High Court, Blocks a Judge". New York Times.
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(help) - "Delays in Senate Action on Judicial Nominations". 1998-06-18.
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- A Judge’s View of Judging Is on the Record, The New York Times, May 14, 2009
- "Outstanding Latino Professional Award Recipient, 2006, Judge Sotomayor".
- ^ http://members.amphilsoc.org/webLinksPublic.php?MemberId=4489
- http://www.nyccfb.info/press/info/board_members.htm?sm=press_04
- ^ http://www.ca2.uscourts.gov/judgesbio.htm
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- "Bronx judge Sonia Sotomayor would be first Latina on Supreme Court if she replaces Justice Souter (and either the first or second Hispanic, depending on whether one counts [[Benjamin Cardozo]])". The Daily News. 2009-05-01. Retrieved 2009-05-03.
{{cite web}}
: URL–wikilink conflict (help) - "Supreme Court Justice David Souter plans to retire". Politico. 2009-04-30. Retrieved 2009-05-03.
- Sotomayor's resume, record on notable cases, CNN.com, 26 May 2009. Accessed 26 May 2009.
- Center for Reproductive Law and Policy v. Bush, 304 F.3d 183 (2d Cir. 2002)
- Center for Reproductive Law and Policy v. Bush.
- Pappas v. Giuliani, 290 F.3d 143 (2d Cir. 2002)
- N.G. ex rel. S.G. v. Connecticut, 382 F.3d. 225 (2d Cir. 2004)
- Leventhal v. Knapek, 266 F.3d 64 (2001)
- On a Supreme Court Prospect’s Résumé: ‘Baseball Savior’, The New York Times, May 14, 2009
- "Sotomayor's resume, record on notable cases". CNN. Retrieved 2009-05-26.
- Justices to Hear White Firefighters’ Bias Claims, The New York Times, April 9, 2009
External links
- Sonia Sotomayor at the Biographical Directory of Federal Judges, a publication of the Federal Judicial Center.
- Extended Biography
- American Philosophical Society short bio
- ABA Profile, National Hispanic Heritage Month 2000
- "A Breakthrough Judge: What She Always Wanted" early profile from 1992
- SCOTUSBlog: Judge Sotomayor's Appellate Opinions in Civil Cases
- Sonia Sotomayor focus page with news from leading sources at DailyMe.com
- Current events from May 2009
- Articles to be merged from May 2009
- Linux
- Computing platforms
- Cross-platform software
- 1954 births
- Living people
- American Catholics
- People from the Bronx
- Baseball labor relations
- Yale Law School alumni
- 1995 in baseball
- American women judges
- Princeton University alumni
- Judges of the United States District Court for the Southern District of New York
- United States district court judges appointed by George H. W. Bush
- Judges of the United States Court of Appeals for the Second Circuit
- United States court of appeals judges appointed by Bill Clinton
- Puerto Rican-Americans