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  1. Linux - Wikipedia

    The Linux kernel is a widely ported operating system kernel, available for devices ranging from mobile phones to supercomputers; it runs on a highly diverse range of computer architectures, including …

  2. What is Linux? - Linux.com

    Just like Windows, iOS, and Mac OS, Linux is an operating system. In fact, one of the most popular platforms on the planet, Android, is powered by the Linux operating system. An operating system is …

  3. Introduction to Linux Operating System - GeeksforGeeks

    Dec 3, 2025 · UNIX is a powerful, multi-user, multitasking operating system originally developed in the 1970s at AT&T Bell Labs. It laid the foundation for many modern operating systems, including Linux. …

  4. What is Linux? A Beginner's Introduction - LinuxForDevices

    May 30, 2025 · Linux-based operating systems are used in various environments, from personal computers and servers to smartphones, routers, and embedded devices. Common Linux …

  5. What is Linux? - Red Hat

    Jan 3, 2023 · What is Linux? Linux® is an open source operating system (OS) created by Linus Torvalds in 1991. Today, it has a massive user base, and is used in the world’s 500 most powerful …

  6. Linux Operating System Guide: A Comprehensive Overview

    Nov 14, 2025 · Linux is an open-source operating system kernel developed by Linus Torvalds in 1991. It serves as the core of many operating systems, which are collectively referred to as Linux …

  7. What Is Linux? (Definition, Uses, Advantages) | Built In

    Apr 9, 2025 · Linux is an operating system that powers a wide range of devices today, including supercomputers, cars, smartphones and most of the internet. It serves as a free, open-source …

  8. Linux | Definition & Facts | Britannica

    Jan 2, 2026 · Linux, computer operating system created in the early 1990s by Finnish software engineer Linus Torvalds and the Free Software Foundation. Because it is open-source, and thus modifiable for …

  9. What is Linux? {Understanding Linux Operating System}

    Jun 15, 2023 · Linux is a kernel that has an ecosystem of open-source operating systems. The system is based on the UNIX operating system and has numerous distributions built around the same kernel. …

  10. What is the Linux operating system? - TechTarget

    Oct 6, 2021 · Linux is a Unix-like, open source and community-developed operating system (OS) for computers, servers, mainframes, mobile devices and embedded devices. It is supported on almost …