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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 other ...

  3. Operating System (OS) Definition & Examples - Lifewire

    www.lifewire.com/operating-systems-2625912

    Operating system definition and examples of modern operating systems. An operating system is a powerful and usually extensive program that controls and manages the hardware and other software on a computer. All computers and computer-like devices require operating systems, including your laptop, tablet, desktop, smartphone, smartwatch, and router.

  4. What is an Operating System? - GeeksforGeeks

    www.geeksforgeeks.org/what-is-an-operating-system

    Operating System is a fully integrated set of specialized programs that handle all the operations of the computer. It controls and monitors the execution of all other programs that reside in the computer, which also includes application programs and other system software of the computer. Examples of Operating Systems are Windows, Linux, Mac OS ...