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  2. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    Windows is a proprietary operating system that is widely used on desktop computers, laptops, tablets, phones, workstations, enterprise servers, and Xbox consoles. [143] The operating system was designed for "security, reliability, compatibility, high performance, extensibility, portability, and international support"—later on, energy ...

  3. List of operating systems - Wikipedia

    en.wikipedia.org/wiki/List_of_operating_systems

    Computer operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other characteristics. In practice, many of these groupings may overlap. Criteria for inclusion is notability, as shown either through an existing Wikipedia article or citation to a reliable source.

  4. List of Microsoft Windows versions - Wikipedia

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

    A "personal computer" version of Windows is considered to be a version that end-users or OEMs can install on personal computers, including desktop computers, laptops, and workstations. The first five versions of Windows– Windows 1.0 , Windows 2.0 , Windows 2.1 , Windows 3.0 , and Windows 3.1 –were all based on MS-DOS, and were aimed at both ...

  5. Comparison of operating systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_operating...

    Education, personal computer: RISC OS 4 RISCOS Ltd, Pace plc: 1999 RISC OS 4.39 2004: Bundled with hardware, then sold separately at £70 (US$127) Proprietary: Education, personal computer: RISC OS 5 Castle Technology, RISC OS Open: 2002 RISC OS 4 5.28 [6] 2020: No cost: Apache-2.0: Education, personal computer: RISC OS 6 RISCOS Ltd 2006 RISC ...

  6. Desktop computer - Wikipedia

    en.wikipedia.org/wiki/Desktop_computer

    A computer lab with desktop PCs with flat-panel monitors. A desktop computer, often abbreviated as desktop, [1] is a personal computer designed for regular use at a stationary location on or near a desk (as opposed to a portable computer) due to its size and power requirements.

  7. Timeline of operating systems - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_operating_systems

    Dartmouth Time-Sharing System (Dartmouth College's DTSS for GE computers) EXEC 8 ( UNIVAC ) KDF9 Timesharing Director ( English Electric ) – an early, fully hardware secured, fully pre-emptive process switching, multi-programming operating system for KDF9 (originally announced in 1960)

  8. Category:Desktop computers - Wikipedia

    en.wikipedia.org/wiki/Category:Desktop_computers

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  9. Computer multitasking - Wikipedia

    en.wikipedia.org/wiki/Computer_multitasking

    Modern desktop operating systems are capable of handling large numbers of different processes at the same time. This screenshot shows Linux Mint running simultaneously Xfce desktop environment, Firefox , a calculator program, the built-in calendar, Vim , GIMP , and VLC media player .