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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.

Carlini reported the bug to the Linux team, which has now fixed it.

From The Wall Street Journal • Jun. 17, 2026

Carlini had never before found a bug in Linux, or in Ghost.

From The Wall Street Journal • Jun. 17, 2026

IBM’s own guidance suggested that 10% growth is likely the ceiling through 2026, largely due to slowing demand for its core product, the Red Hat Enterprise Linux operating system.

From Barron's • Jun. 1, 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

At the moment, he had NT 5, NT 4, Work Station, Windows 98, and he and Eric had begun fooling around with Linux, the complex, open-source software system rapidly spreading across the world.

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

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