DOS
Pronunciation
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Plural |
- (countable & uncountable) Disk Operating System:
- (old, no longer used) Any computer operating system that is stored on a disk and read into memory.
- They began developing DOS's in the 1970's.
- A group of operating systems that include PC-DOS, Microsoft DOS (MS-DOS), and others that look and work the same way.
- Windows replaced DOS on most computers in the 1990s.
- DR-DOS is real DOS with complete open-source code.
- (old, no longer used) Any computer operating system that is stored on a disk and read into memory.
Usage notes
change- "DOS" is used as both a proper noun and a common noun.
Initialism
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- (military) Date(s) of Service
- (military) Date of Separation
- (US) Department of State
- (science) Density of states