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  • Linux
    Linux
    an operating system, based on UNIX, that runs on many different hardware platforms and whose source code is available to the public.
  • linux
    linux
    noun
    a nonproprietary computer operating system suitable for use on personal computers

Linux

American  
[lin-uhks, lin-ooks] / ˈlɪn əks, ˈlɪn ʊks /
Computers, Trademark.
  1. an operating system, based on UNIX, that runs on many different hardware platforms and whose source code is available to the public.


linux British  
/ ˈlaɪnʌks /

noun

  1. a nonproprietary computer operating system suitable for use on personal computers

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Linux

First recorded in 1990–95; named after Linu(s) Benedict Torvalds (born 1969), Finnish software engineer + x as in UNIX ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In the days before cloud computing and endless storage, Pixar kept hundreds of thousands of files on Unix and Linux computers.

From The Wall Street Journal Jun. 20, 2026

Surfshark covers all the major platforms: Windows, macOS, Linux, iOS, Android, Fire TV and Apple TV.

From Salon Jun. 17, 2026

These prompts give Mythos just enough instruction to ensure different results each time it rifles through Linux looking for bugs.

From The Wall Street Journal Jun. 17, 2026

It was worth it, and footage from the event shows her looking happy and tired on stage as she successfully hacked into a Linux based system to win $50,000.

From BBC May 27, 2026

I’d begun writing for a new website, Slashdot.org, an intensely geeky techno/pop-culture site devoted to the open source Linux operating system and to the open source and free software movements.

From "Geeks: How Two Lost Boys Rode the Internet Out of Idaho" by Jon Katz

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