The clue "Linux forerunner" last appeared in the New York Times crossword on October 3, 2017. The correct answer for this puzzle is "UNIX", a 4-letter word.
Solution UNIX is 4 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is UNIX with 4 letters, and the shortest is UNIX with 4 letters.
Indeed, the puzzle clue "LINUX FORERUNNER" has seen a surge in lookups recently (last checked: 14 Sep 2026). Apparently it´s giving players some headaches!
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The solution is 4 letters long.