Linux

 
Pronunciation: /ˈlɪnʌks, ˈlʌɪnʌks/

noun

[mass noun] Computing, trademark
  • an open-source operating system modelled on UNIX.

Origin:

1990s: from the name of Linus Benedict Torvalds (born 1969), a Finnish software engineer who wrote the first version of the system, + -x, as in Unix