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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

    EOS – developed by ETA Systems for use in their ETA-10 line of supercomputers. EMBOS – developed by Elxsi for use on their mini-supercomputers. GCOS – a proprietary operating system originally developed by General Electric. MAI Basic Four – An OS implementing Business Basic from MAI Systems.

  4. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

  5. Comparison of operating systems - Wikipedia

    en.wikipedia.org/.../Comparison_of_operating_systems

    These tables provide a comparison of operating systems, of computer devices, as listing general and technical information for a number of widely used and currently available PC or handheld (including smartphone and tablet computer) operating systems. The article "Usage share of operating systems" provides a broader, and more general, comparison ...

  6. File system - Wikipedia

    en.wikipedia.org/wiki/File_system

    A local file system is a capability of an operating system that services the applications running on the same computer. [ 1][ 2] A distributed file system is a protocol that provides file access between networked computers. A file system provides a data storage service that allows applications to share mass storage.

  7. Executable and Linkable Format - Wikipedia

    en.wikipedia.org/wiki/Executable_and_Linkable_Format

    In computing, the Executable and Linkable Format[ 2] ( ELF, formerly named Extensible Linking Format) is a common standard file format for executable files, object code, shared libraries, and core dumps. First published in the specification for the application binary interface (ABI) of the Unix operating system version named System V Release 4 ...

  8. File Allocation Table - Wikipedia

    en.wikipedia.org/wiki/File_Allocation_Table

    File Allocation Table. File Allocation Table ( FAT) is a file system developed for personal computers and was the default filesystem for MS-DOS and Windows 9x operating systems. [3] Originally developed in 1977 for use on floppy disks, it was adapted for use on hard disks and other devices.

  9. Comparison of user features of operating systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_user...

    MS-DOS (acronym for Microsoft Disk Operating System) is an operating system for x86-based personal computers mostly developed by Microsoft.Collectively, MS-DOS, its rebranding as IBM PC DOS, and some operating systems attempting to be compatible with MS-DOS, are sometimes referred to as "DOS" (which is also the generic acronym for disk operating system).