Home
Questions
Answers
Suggest crossword puzzle
Search
Question:
Operating system before Windows
Answer:
DOS
Length:
3
Similar Crossword Questions:
Windows operating system released in 2007
Operating system that doesn't do Windows?
Operating system on many Internet servers
Used, as an operating system
Operating system developed by AT&T originally
Pre-Windows system
Computer operating system developed by Bell Labs
Open-source operating system
Bell Labs operating system
Operating system designed by AT&T employees
Computer operating system developed at Bell Labs
Computer operating system with a penguin mascot
PC operating system
Multiuser computer operating system
Certain operating system
Early operating system
Operating system whose code names are confections
Popular computer operating system
Longtime computer operating system
C: operating system
Place for some PC operating system settings
Google's mobile operating system
Operating system
Operating system since the '60s
Core of a computer's operating system