Answer: UNIX
The crossword puzzle answer UNIX has 13 different clues. We have seen it appear in puzzles 42 times.
Crossword puzzle clues for UNIX:- Alternative to Windows
- Operating system since the '60s
- Ken Thompson helped develop it
- DOS alternative
- Computer system developed at AT&T
- Computer workstation operating system
- Computer operating system developed at AT&T
- Basis of Mac OS X
- Windows alternative
- Popular multi-user operating system
- Computer operating system
- Popular operating system
- Computer operating system since the '60s
- Washington Post Daily Crossword Puzzle - 2002-02-10
- Washington Post Daily Crossword Puzzle - 2003-07-21
- Washington Post Daily Crossword Puzzle - 2003-10-08
- USA Today Crossword Puzzle - 2003-11-27
- Washington Post Daily Crossword Puzzle - 2004-09-03
- Washington Post Daily Crossword Puzzle - 2005-03-05
- Washington Post Daily Crossword Puzzle - 2005-08-02
- Washington Post Daily Crossword Puzzle - 2005-10-25
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