Li‧nux /ˈlaɪnʌks/ noun [singular] trademark
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.

[TahlilGaran] Dictionary of Contemporary English ▲

LINUX
Linus Torvald's UNIX (flavor of UNIX for PCs) 
Linux Is Not Unix

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲