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Where Did UNIX Come From And Why Are There Different Versions Of UNIX? - Online Essays

Where Did UNIX Come From And Why Are There Different Versions Of UNIX?

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The first efforts at developing a multi-user, multi-tasking operating system
were begun in the 1960's in a development project called MULTICS. While working
for Bell Telephone Laboratories in 1969 and 1970, Ken Thompson and Dennis
Ritchie began to develop their own single-user, multi-tasking small operating
system and they chose the name UNIX. Their initial goal was simply to operate
their DEC PDP machines more effectively. In 1971, UNIX became multi-user and
multi-tasking, but it was still just being developed by a small group of
programmers who were trying to take advantage of the machines they had at hand.
(In other words, this operating system that they were developing did not run ...

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the
Bell System, their parent company, AT&T, became much more interested in
marketing a commercial version of UNIX. And today we see that many companies
have now licensed their own version:

AT&T's System V,
Versions of System V such as SCO's Xenix and IBM's AIX
Berkeley's UNIX (called "BSD" for "Berkeley System Development"),
Versions of Berkeley UNIX such as Sun Microsystem's SunOS, DEC's Ultrix and
Carnegie Mellon University's Mach
(used on the ...

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Where Did UNIX Come From And Why Are There Different Versions Of UNIX?. (2006, October 24). Retrieved December 23, 2024, from http://www.essayworld.com/essays/Where-Did-UNIX-Come-Why-There/54441

"Where Did UNIX Come From And Why Are There Different Versions Of UNIX?." Essayworld.com. Essayworld.com, 24 Oct. 2006. Web. 23 Dec. 2024. <http://www.essayworld.com/essays/Where-Did-UNIX-Come-Why-There/54441>

"Where Did UNIX Come From And Why Are There Different Versions Of UNIX?." Essayworld.com. October 24, 2006. Accessed December 23, 2024. http://www.essayworld.com/essays/Where-Did-UNIX-Come-Why-There/54441.

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PAPER DETAILS

Added: 10/24/2006 06:26:45 AM
Category: Computers
Type: Premium Paper
Words: 276
Pages: 2

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