Crossword Genius

Computer operating system (4)

Ross

I believe the answer is:

unix

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">computer operating system</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>

(Other definitions for unix that I've seen before include "software" , "See this operating system" , "Computer open operating system" .)

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