Alan Freedman -- The Computer Language Company - Computer Desktop Encyclopedia
Computer Desktop Encyclopedia
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A CDE Definition

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OS

(Operating System) The master control program in a computer or mobile device. The O-S acronym has been part of the names of various operating systems. Microsoft used DOS for many years in the PC, and Apple used OS 8, OS 9 and OS X in the Mac. For the major functions operating systems perform, see operating system. Some of the operating systems in this encyclopedia that have O-S in their name are TOS, DOS, PC-DOS, MS-DOS, DR-DOS, Mac OS, Mac OS X, iOS, OS/390 and OS/400.



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Before/After Your Search Term
BeforeAfter
origin serverOS 10
original design manufacturerOS/2
original equipment manufacturerOS/2 for Windows
OrkutOS/2 PM
ORMOS/2 Warp
OROMOS/2 Warp Connect
orphanOS/360
orphan linkOS/390
orthogonalOS/400
orthophotographOS/8

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