Early operating system Crossword Clue
4 letters · New York Times · Thursday, December 5, 2019 · 38-Across
Appeared in 1 New York Times Crossword: Thursday, December 5, 2019.
Exact puzzle match · New York Times · December 5, 2019 · 38-Across · 4 letters
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trademark for a powerful operating system
noun
WordNet® (Princeton University)
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