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  2. Xenix - Wikipedia

    en.wikipedia.org/wiki/Xenix

    Contents. Xenix. Xenix is a discontinued version of the Unix operating system for various microcomputer platforms, licensed by Microsoft from AT&T Corporation in the late 1970s. The Santa Cruz Operation (SCO) later acquired exclusive rights to the software, and eventually replaced it with SCO UNIX (now known as Xinuos OpenServer).

  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. 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 ...

  5. X Window System - Wikipedia

    en.wikipedia.org/wiki/X_Window_System

    Website. www.x.org. The X Window System (X11, or simply 𝕏) is a windowing system for bitmap displays, common on Unix-like operating systems. X originated as part of Project Athena at Massachusetts Institute of Technology (MIT) in 1984. [3] The X protocol has been at version 11 (hence "X11") since September 1987.

  6. History of Unix - Wikipedia

    en.wikipedia.org/wiki/History_of_Unix

    The history of Unix dates back to the mid-1960s, when the Massachusetts Institute of Technology, Bell Labs, and General Electric were jointly developing an experimental time-sharing operating system called Multics for the GE-645 mainframe. [1] Multics introduced many innovations, but also had many problems.

  7. CP/M - Wikipedia

    en.wikipedia.org/wiki/CP/M

    CP/M, [3] originally standing for Control Program/Monitor [4] and later Control Program for Microcomputers, [5] [6] [7] is a mass-market operating system created in 1974 for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc. CP/M is a disk operating system [8] and its purpose is to organize files on a magnetic storage medium, and to load and run programs stored on a disk.

  8. UNIX System V - Wikipedia

    en.wikipedia.org/wiki/UNIX_System_V

    Unix history tree AT&T System V license plate UNIX System V Release 1 on SIMH (PDP-11). System V was the successor to 1982's UNIX System III.While AT&T developed and sold hardware that ran System V, most customers ran a version from a reseller, based on AT&T's reference implementation.

  9. Unix - Wikipedia

    en.wikipedia.org/wiki/Unix

    Unix (/ ˈjuːnɪks / ⓘ, 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.