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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. System software - Wikipedia

    en.wikipedia.org/wiki/System_software

    System software was usually supplied by the manufacturer of the computer hardware and was intended to be used by most or all users of that system. Many operating systems come pre-packaged with basic application software. Such software is not considered system software when it can be uninstalled without affecting the functioning of other ...

  4. Software - Wikipedia

    en.wikipedia.org/wiki/Software

    Definition. Software can be defined more narrowly as the instructions executed by the computer hardware, or more broadly including other concepts, tools, and methods needed to make an executable system on computer hardware, such as design documents, specifications, and testing suites.

  5. How to Find Out if You Have the Most Updated Operating System

    www.aol.com/.../blog/most-updated-operating-system

    An operating system is a software program that allows users to interact with the computer or mobile device and run applications (like Microsoft Office, Google Chrome, Facebook, etc). Examples of ...

  6. 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.

  7. Open-source software - Wikipedia

    en.wikipedia.org/wiki/Open-source_software

    Open-source software is a prominent example of open collaboration, meaning any capable user is able to participate onlinein development, making the number of possible contributors indefinite. The ability to examine the code facilitates public trust in the software.

  8. Kernel (operating system) - Wikipedia

    en.wikipedia.org/wiki/Kernel_(operating_system)

    Kernel (operating system) The kernel is a computer program at the core of a computer 's operating system and generally has complete control over everything in the system. The kernel is also responsible for preventing and mitigating conflicts between different processes. [1] It is the portion of the operating system code that is always resident ...

  9. Software system - Wikipedia

    en.wikipedia.org/wiki/Software_system

    A software system is a system of intercommunicating components based on software forming part of a computer system (a combination of hardware and software). It "consists of a number of separate programs, configuration files, which are used to set up these programs, system documentation, which describes the structure of the system, and user ...