Answer: OPERATINGSYSTEM

The crossword puzzle answer OPERATINGSYSTEM has 2 different clues. We have seen it appear in puzzles 2 times.

Crossword puzzle clues for OPERATINGSYSTEM:

• Computer's "brain"
• Windows, for example

Usage in crossword puzzles

• Washington Post Daily Crossword Puzzle - 2003-10-06
• Washington Post Daily Crossword Puzzle - 2006-02-19

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