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Rudd Canaday is an American computer systems engineer and a previous member of the technical staff at the Bell Telephone Laboratories in Murray Hill, New Jersey, credited to co-develop the initial design of the Unix file system. In 2015 he joined a Palo Alto based tech startup, Entefy, as a Senior Architect & Engineer.

Research and career

Canaday received his Bachelor of Arts (BA) in Physics from Harvard University in 1959 and received his Doctor of Philosophy (PhD) in Computer Science from Massachusetts Institute of Technology in 1964.

In 1960s, Ken Thompson developed a game called Space Travel on Multics file system, which ran very slowly on the machine. This caused Thompson to design his own hierarchical file system along with Dennis Ritchie, Doug McIlroy and Canaday. Joe Ossanna also joined Thompson, Ritchie and Canaday to program the operating system called Unics, later named Unix.

In 1973, Canaday along with Evan Ivie started developing the Programmer's Workbench (PWB/UNIX) to support a computer center for a 1000-employee Bell Labs division, which would be the largest Unix site for several years.

Selected publications

• Canaday, Rudd H., R. D. Harrison, Evan L. Ivie, J. L. Ryder, and L. A. Wehr. "A back-end computer for data base management." Communications of the ACM 17, no. 10 (1974): 575-582.
• Canaday, Rudd H. "Two-dimensional iterative logic." In Proceedings of the November 30—December 1, 1965, fall joint computer conference, part I, pp. 343–353. 1965.

See also

• History of Unix
• PWB/UNIX

References

1. Anthes, Gary (27 July 2009). "Unix Turns 40". Computerworld. Retrieved 30 June 2021.
2. Canaday, Rudd H. (30 November 1965). "Two-dimensional iterative logic". Proceedings of the November 30--December 1, 1965, fall joint computer conference, Part I on XX - AFIPS '65 (Fall, part I). AFIPS '65 (Fall, part I). Las Vegas, Nevada: Association for Computing Machinery. pp. 343–353. doi:10.1145/1463891.1463931. ISBN 978-1-4503-7885-7. S2CID 31075319.
3. "Rudd Canaday, LinkedIn".
4. "Co-Inventor of UNIX, Dr. Rudd Canaday, Joins Palo Alto Tech Startup, Entefy". Entefy Machine Intelligence & Productivity Solutions. 22 January 2015. Retrieved 28 December 2021.
5. "Rudd Canaday". Faces of Open Source. Retrieved 30 June 2021.
6. Toomey, Warren (28 November 2011). "The Strange Birth and Long Life of Unix". IEEE Spectrum. Retrieved 30 June 2021.
7. "Unix History, Who invented Unix". LivingInternet. Retrieved 30 June 2021.
8. Dolotta, T. A.; Mashey, J. R. (13 October 1976). "An introduction to the Programmer's Workbench". ICSE '76: Proceedings of the 2nd international conference on Software engineering. Washington DC: IEEE Computer Society Press. pp. 164–168.

External links

• LinkedIn profile
• Why the co-inventor of Unix joined Entefy (Youtube video with narration by Rudd Canaday)

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