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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. Operating Systems (OS) Explained | Microsoft Windows

    Nov 28, 2025 · Imagine turning on your PC and…nothing happens. No desktop, no icons, no apps. That’s what life would look like without an operating system (OS), the invisible star of …

  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, …

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

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

    Nov 6, 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 …

  7. 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 …

  8. What is an operating system? Essential computing software …

    Feb 16, 2025 · An operating system is the essential software that's needed to run your computer's suite of software. Everything from video games to web browsing, basic word processing, and …

  9. 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 …

  10. 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. The …