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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.

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

Networking giants Cisco and Broadcom are taking part in the project, along with the Linux Foundation that promotes the free, open-source Linux computer operating system.

From Barron's • Apr. 7, 2026

Previously, he was a writer at Wired, the IDG News Service and Linux Magazine, where he covered cloud computing, business technology, bitcoin, artificial intelligence and open-source software.

From The Wall Street Journal • Feb. 23, 2026

Essex said a reacceleration in software growth was encouraging, even as the government shutdown weighed on bookings and growth at Red Hat, the Linux software provider, which IBM acquired in 2019.

From MarketWatch • Jan. 29, 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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