In 1969, the UNIX operating system was created by Dennis Ritchie and Ken Thompson.
From the en.wikipedia.org
Must have one year or more software development experience on a UNIX operating system.
From the jobview.monster.com
This use dates from early versions of the UNIX operating system and DR DOS utilities in the 1980s.
From the en.wikipedia.org
Everything is a File The principle that in the unix operating system, everything is represented as a file.
From the en.wikipedia.org
Linus Torvalds developed the kernal, based on ideas and techniques found in the proprietary UNIX operating system.
From the economist.com
Eventually phased out by the UNIX operating system.
From the en.wikipedia.org
Morris was a researcher at Bell Laboratories from 1960 until 1986, where he worked on Multics and later the UNIX operating system.
From the techcrunch.com
The GNU Project was started by activist and programmer Richard Stallman with the goal of a complete free software replacement to the proprietary UNIX operating system.
From the en.wikipedia.org
Unix is a computer operating system originally developed in 1969 by Bell Labs.