Windows alternative

This crossword clue is for the definition: Windows alternative.
it’s A 19 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Windows alternative crossword” or “Windows alternative crossword clue”. The possible answerss for Windows alternative are listed below.

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Possible Answers: UNIX.

Last seen on: LA Times Crossword 27 Feb 2018, Tuesday

Random information on the term “UNIX”:

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UNIX on Wikipedia