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  1. Operating system - Wikipedia

    An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs.

  2. What Is an Operating System? | Microsoft Windows

    Jan 29, 2026 · An operating system is the software that makes your computer come alive. It manages your apps, hardware, files, and security, shaping the experience every time you sit down at your device.

  3. What is an operating system? - IBM

    What is an operating system? 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 …

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

    Jan 16, 2026 · Operating system, program that manages a computer’s resources, especially the allocation of those resources among other programs.

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

    Dec 26, 2025 · What is Operating System? Explain Types of OS, Features and Examples. What is an Operating System? An Operating System (OS) is a software that acts as an interface between …

  6. Operating System Tutorial - GeeksforGeeks

    Jan 27, 2026 · An Operating System (OS) is a software that manages and handles hardware and software resources of a computing device. This section introduces the fundamentals of operating …

  7. What is Operating System (OS) -Types, Examples

    6 days ago · An Operating System (OS) is a software program that manages the hardware and software resources of a computer. It is like the manager of the computer that tells how other programs and …

  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? - 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.