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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.

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

Anthropic has offered a preview of its new AI model, called Mythos, available to about 50 companies and organizations that maintain critical infrastructure, including Amazon, Microsoft, Apple, Alphabet-owned Google and the Linux Foundation.

From Barron's • Apr. 8, 2026

Split tunneling is supported in Windows and Linux.

From Salon • Mar. 13, 2026

"Try updating a Linux server sometime," Jack said.

From "The Martian" by Andy Weir

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