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Early operating system

Clue: Early operating system

We have 2 possible answers for the clue Early operating system which appears 7 times in our database.

Possible Answers:

  • DOS

  • UNIX

Last seen in:

  • L.A. Times Daily - Jan 3 2026
  • L.A. Times Daily - Aug 18 2024
  • Universal - Apr 11 2021
  • Universal - Jun 15 2020
  • New York Times - Dec 5 2019
  • USA Today - Sep 22 2019
  • USA Today - Jun 1 2004

Related Clues:

  • Opposite of don'ts
  • Arranged locks
  • Items on a "must" list
  • Donts' opposites
  • Word in a Spanish sequel
  • Operating system used since the 1970s
  • Source of the Mac's operating system
  • Early PC platform
  • Two in Mexico
  • Two, in Acapulco
  • Bobs and buns
  • ___ Equis (Mexican beer)
  • Toledo 'two'
  • "C prompt" displayer
  • Two in Tijuana
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