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  2. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time , mass storage , peripherals, and ...

  3. List of operating systems - Wikipedia

    en.wikipedia.org/wiki/List_of_operating_systems

    JNode (Java New Operating System Design Effort), written 99% in Java (native compiled), provides own JVM and JIT compiler. Based on GNU Classpath. [36] [37] JX Java operating system that focuses on a flexible and robust operating system architecture developed as an open source system by the University of Erlangen. KERNAL (default OS on ...

  4. List of Microsoft Windows versions - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft_Windows...

    Microsoft Windows is a computer operating system developed by Microsoft. It was first launched in 1985 as a graphical operating system built on MS-DOS. The initial version was followed by several subsequent releases, and by the early 1990s, the Windows line had split into two separate lines of releases: Windows 9x for consumers and Windows NT ...

  5. Comparison of operating systems - Wikipedia

    en.wikipedia.org/.../Comparison_of_operating_systems

    The article "Usage share of operating systems" provides a broader, and more general, comparison of operating systems that includes servers, mainframes and supercomputers. Because of the large number and variety of available Linux distributions , they are all grouped under a single entry; see comparison of Linux distributions for a detailed ...

  6. List of Microsoft operating systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft...

    This is a list of Microsoft written and published operating systems. For the codenames that Microsoft gave their operating systems , see Microsoft codenames . For another list of versions of Microsoft Windows, see, List of Microsoft Windows versions .

  7. Microsoft Windows - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Windows

    Windows is a product line of proprietary graphical operating systems developed and marketed by Microsoft.It is grouped into families and subfamilies that cater to particular sectors of the computing industry – Windows (unqualified) for a consumer or corporate workstation, Windows Server for a server and Windows IoT for an embedded system.

  8. Timeline of operating systems - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_operating_systems

    General Motors Operating System made for IBM 701 [2] MIT's Tape Director operating system made for UNIVAC 1103 [3] [4] 1956 GM-NAA I/O for IBM 704, based on General Motors Operating System; 1957 Atlas Supervisor (Manchester University) (Atlas computer project start) BESYS , for IBM 704, later IBM 7090 and IBM 7094; 1958

  9. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    This is an accepted version of this page This is the latest accepted revision, reviewed on 12 January 2025. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...