Crossword answer
UNIX
4 letters · Used for 7 different clues · 7 appearances · Last seen The Guardian, September 12, 2026
Letter pattern
UNIX
Clues that lead to UNIX
Most recent firstClueLettersPuzzleLast seen
Computer operating system developed by AT&T (4)4The GuardianSep 12, 2026
Server system4Thomas JosephJul 28, 2026
Operating system developed at Bell Labs4New York TimesMar 12, 2026
Computer operating system developed by Bell Labs4New York TimesFeb 16, 2026
Windows alternative4New York TimesJan 9, 2026
Server operating system4NewsdayAug 22, 2025
Operating system developed by Bell Labs4New York TimesFeb 13, 2025
About UNIX in crosswords
UNIX is a 4-letter answer that has appeared 7 times in our database across 7 different clues. It was most recently the answer to “Computer operating system developed by AT&T (4)” in the The Guardian crossword on September 12, 2026.
Other 4-letter answers
Every appearance of UNIX (7)
Click to expand · newest first
Sep 12, 2026
Computer operating system developed by AT&T (4) · The Guardian · 18 Across
Jul 28, 2026
Server system · Thomas Joseph · 27 Across
Mar 12, 2026
Operating system developed at Bell Labs · New York Times · 64 Across
Feb 16, 2026
Computer operating system developed by Bell Labs · New York Times · 28 Across
Jan 9, 2026
Windows alternative · New York Times · 2 Down
Aug 22, 2025
Server operating system · Newsday · Across
Feb 13, 2025
Operating system developed by Bell Labs · New York Times · 12 Down