Longman Dictionary of Contemporary English homepage

Linux

 noun
     
Related topics: Computers
Li‧nux [singular] trademark
TD a computer operating system that was invented by Linus Torvalds, a Finnish university student. You can get Linux for free, or you can buy it from companies who provide information and instructions on how to operate it.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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