Linux
Tux, the mascot of Linux, created by Larry Ewing1
Developer• Linus Torvalds (BDFL)
• Community contributors
OS familyUnix-like
Working stateCurrent
Source modelOpen source (kernel)
Initial release17 September 1991 (kernel)2
Marketing targetGeneral-purpose3
Available inMultilingual
Supported platformsVarious4
Kernel typeMonolithic
UserlandTypically util-linux5 and one of coreutils6, BusyBox,7 or Toybox8
Influenced byUnix and Minix
LicenseGPLv2 (kernel)910
Articles in the series
• Linux kernel
• Linux distribution

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Footnotes

  1. “Linux Logos and Mascots”. Linux Online. 2008. Archived from the original on May 21, 2008. Retrieved August 11, 2009.

  2. “Linus Torvalds reveals the ‘true’ anniversary of Linux code”. ZDNet. Retrieved August 29, 2025.

  3. Cloud computing, embedded devices, mainframe computers, mobile devices, personal computers, servers, and supercomputers

  4. Alpha, ARC, ARM, C-Sky, Hexagon, LoongArch, m68k, Microblaze, MIPS, Nios II, OpenRISC, PA-RISC, PowerPC, Power ISA, RISC-V, ESA/390, z/Architecture, SuperH, SPARC, x86, and Xtensa

  5. util-linux is the standard set of utilities for use as part of the Linux operating system in addition to one of the following userlands:

  6. GNU Core Utilities is a userland^{[4]}$$^{[5]} used by most Linux distributions.

  7. BusyBox is a userland written with size-optimization and limited resources in mind, used in many embedded Linux distributions. BusyBox replaces most GNU Core Utilities.

  8. Toybox is a userland that combines over 200 Unix command line utilities together into a single BSD-licensed executable. After a talk at the 2013 Embedded Linux Conference, Google merged toybox into AOSP and began shipping toybox in Android Marshmallow in 2015.

  9. “The Linux Kernel Archives: Frequently asked questions”. kernel.org. September 2, 2014. Archived from the original on September 5, 2015. Retrieved September 4, 2015.

  10. The name “Linux” is a trademark owned by Linus Torvalds and administered by the Linux Mark Institute.