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  2. History of Unix - Wikipedia

    en.wikipedia.org/wiki/History_of_Unix

    Unix workstations of the 1990s, including those made by DEC, HP, SGI, and Sun The Common Desktop Environment (CDE) was widely used on Unix workstations. The Unix wars continued into the 1990s, but turned out to be less of a threat than originally thought: AT&T and Sun went their own ways after System V.4, while OSF/1's schedule slipped behind. [46]

  3. Timeline of operating systems - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_operating_systems

    UNIX History – a timeline of UNIX 1969 and its descendants at present Concise Microsoft O.S. Timeline – a color-coded concise timeline for various Microsoft operating systems (1981–present) Bitsavers – an effort to capture, salvage, and archive historical computer software and manuals from minicomputers and mainframes of the 1950s ...

  4. Xenix - Wikipedia

    en.wikipedia.org/wiki/Xenix

    Xenix is a discontinued Unix operating system for various microcomputer platforms, licensed by Microsoft from AT&T Corporation.The first version was released in 1980, and Xenix would eventually become the most common Unix variant, measured according to the number of machines on which it was installed, in the mid-to-late 1980s.

  5. Unix - Wikipedia

    en.wikipedia.org/wiki/Unix

    Unix (/ ˈ j uː n ɪ k s / ⓘ, YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 [1] at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. [4]

  6. Santa Cruz Operation - Wikipedia

    en.wikipedia.org/wiki/Santa_Cruz_Operation

    Commemorative plaque celebrating twenty years in business for Santa Cruz Operation, listing important milestones along the way. The Santa Cruz Operation, Inc. (usually known as SCO, [1] pronounced either as individual letters or as a word) was an American software company, based in Santa Cruz, California, that was best known for selling three Unix operating system variants for Intel x86 ...

  7. Sun Microsystems - Wikipedia

    en.wikipedia.org/wiki/Sun_Microsystems

    This was a popular Unix variant for the PC platform and a major competitor to market leader SCO UNIX. Sun's focus on Interactive Unix diminished in favor of Solaris on both SPARC and x86 systems; it was dropped as a product in 2001. [citation needed]

  8. List of Unix systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Unix_systems

    After the release of Version 10, the Unix research team at Bell Labs turned its focus to Plan 9 from Bell Labs, a distinct operating system that was first released to the public in 1993. All versions of BSD from its inception up to 4.3BSD-Reno are based on Research Unix, with versions starting with 4.4 BSD and Net/2 instead

  9. Unix wars - Wikipedia

    en.wikipedia.org/wiki/Unix_wars

    Although AT&T's Bell Labs created Unix, by the 1980s, Berkeley's Computer Systems Research Group was the leading non-commercial Unix developer. [1] In the mid-1980s, the three common versions of Unix were AT&T's System III , the basis of Microsoft 's Xenix and the IBM-endorsed PC/IX , among others; AT&T's System V , which it sought to establish ...