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Linux originated as a Unix-like system developed by Linus Torvalds, influenced by Unix and Minix, without containing original Unix code.
Linux is a family of free and open-source, Unix-like operating systems built around the Linux kernel, first released by Linus Torvalds on September 17, 1991. The kernel is monolithic and licensed under GPLv2, while complete Linux-based systems combine it with system libraries, utilities, shells, package managers, bootloaders, display servers, desktop environments, and applications. These complete systems are commonly distributed as Linux distributions, including Debian, Fedora, Ubuntu, Arch Linux, Linux Mint, Red Hat Enterprise Linux, SUSE Linux Enterprise, and ChromeOS. Android also uses the Linux kernel but is not generally classified as a Linux distribution.
Linux originated as a Unix-like system developed by Linus Torvalds, influenced by Unix and Minix, without containing original Unix code.
Linux distributions combine the kernel with GNU and other third-party software to create complete operating systems; the Free Software Foundation recommends the name GNU/Linux for many of them.
Linux is distributed under free and open-source licenses, primarily GPLv2 for the kernel, allowing users to study, modify, and redistribute the software.
Linux supports a wide range of platforms, including desktops, servers, supercomputers, embedded devices, smartphones, vehicles, smart televisions, and spacecraft.
Linux is especially dominant in servers, supercomputing, embedded systems, and mobile devices through Android, although its traditional desktop market share remains relatively small.
The Linux ecosystem is developed collaboratively by individuals, companies, vendors, and communities that maintain the kernel, GNU components, libraries, applications, and distributions.
The core, monolithic component that manages hardware, system resources, processes, memory, and communication between software and hardware.
A complete operating system package that combines the Linux kernel with system software, libraries, utilities, applications, and often a desktop environment.
An operating system that follows Unix design principles, interfaces, and behaviors without necessarily containing original Unix source code.
A name emphasizing that many Linux distributions use the Linux kernel together with important GNU software components.
The version 2 GNU General Public License under which the Linux kernel is distributed, requiring derivative source code to remain available under compatible terms.
A software development and distribution model in which source code is available for inspection, modification, and redistribution under license terms.
The collection of programs and libraries that operate outside the kernel and provide interfaces and services for users and applications.
A kernel architecture in which core operating system services, including drivers and system management functions, run within one main kernel space.
A small Unix-like educational operating system that influenced Torvalds during the early development of the Linux kernel.
A mobile operating system based on the Linux kernel that is generally treated as a separate Linux-based operating system rather than a conventional Linux distribution.
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