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  1. Operating system - Wikipedia

    An operating system is difficult to define, [6] but has been called "the layer of software that manages a computer's resources for its users and their applications ". [7] Operating systems include the …

  2. Operating Systems (OS) Explained | Microsoft Windows

    Nov 28, 2025 · Learn how operating systems (OS) work, why they matter, and explore Windows 11 features.

  3. What is an operating system? - IBM

    An operating system (OS) is a collection of software that manages a computer’s hardware and applications by allocating resources, including memory, CPU, input/output devices and file storage.

  4. Operating system (OS) | Definition, Examples, & Concepts - Britannica

    Nov 21, 2025 · Operating system, program that manages a computer’s resources, especially the allocation of those resources among other programs.

  5. What Is an Operating System? - Computer Hope

    Apr 7, 2025 · An operating system or OS is software installed on a computer's hard drive that enables the computer hardware to communicate and operate with the computer software.

  6. Operating System Tutorial - GeeksforGeeks

    Sep 27, 2025 · An Operating System (OS) is a software that manages and handles hardware and software resources of a computing device. Responsible for managing and controlling all the activities …

  7. What is Operating System? Explain Types of OS, Features and

    Nov 6, 2025 · An Operating System (OS) is a software that acts as an interface between computer hardware components and the user. Every computer system must have at least one operating …

  8. What is an Operating System (OS)? | Definition from TechTarget

    Oct 31, 2024 · An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all the other application programs in a computer.

  9. What is an Operating System? Everything You Need to Know

    Apr 9, 2025 · At its core, the operating system is a set of software that manages hardware resources and provides essential services for other software. It acts as an intermediary between the user and …

  10. What is an operating system? Essential computing software explained ...

    Feb 16, 2025 · Put simply, an operating system is software that runs everything on your computer. It manages and controls all other software by interacting with the hardware, such as your processor, …