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What does DOS stand for?

DOS stands for Disk Operating System

This definition appears very rarely

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Other Resources:
We have 262 other definitions for DOS in our Acronym Attic

Samples in periodicals archive:

Users didn't need to know how to run a disk operating system, the industry leader, was pushed to change its computer operating system, the industry standard, by creating Windows, an operating system that acted like Apple's.
After all, there were only two real options: IBM machines and clones came stacked with Microsoft's Disk Operating System (MSDOS); and Apple's Macintosh had its own patented system.
0-This is the latest version of the disk operating system and, according to Harris, it improves computing capabilities by increasing memory, adding a feature that recalls the last command the computer executed, offering a more intuitive screen-editing process, and providing immediate help when the user needs it.