UNIX 40th Birthday

scotbuff · #1 (**permalink**) 05-19-2009

A little off topic, as far as not being a critical help issue, but I have been searching about for the OFFICIAL date that is considered the 40th Birthday of UNIX. Some folks mentioned it in March, I think do to a mention on Slashdot of the 40th birthday being this year, but I thought I recall others mentioning June 2009. I thought I would come to the unix.com and see what the experts think.

I hope this post is okay. Thanks folks!

Neo · #2 (**permalink**) 05-20-2009

Ken Thompson wrote the first UNIX system in assembly language on a PDP-7 in 1969. That that time Unix was called Unics as a joke on Multics. The first Unix was the operating system for Space Travel, a graphical game that displayed the motion planets.

Reference: http://upload.wikimedia.org/wikipedi...ix-history.svg

Also, see attached paper:

Quote:

The Evolution of the Unix Time-sharing System*

Dennis M. Ritchie
Bell Laboratories, Murray Hill, NJ, 07974

ABSTRACT

This paper presents a brief history of the early development of the Unix operating system. It concentrates on the evolution of the file system, the process-control mechanism, and the idea of pipelined commands. Some attention is paid to social conditions during the development of the system.

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