Where did UNIX come from and why are there different versions of UNIX?
Title: Where did UNIX come from and why are there different versions of UNIX?
Category: /Science & Technology/Computers and Cybernetics
Details: Words: 272 | Pages: 1 (approximately 235 words/page)
Where did UNIX come from and why are there different versions of UNIX?
Category: /Science & Technology/Computers and Cybernetics
Details: Words: 272 | Pages: 1 (approximately 235 words/page)
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
showed first 75 words of 272 total
You are viewing only a small portion of the paper.
Please login or register to access the full copy.
Please login or register to access the full copy.
showed last 75 words of 272 total
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 NEXT).