DOS has various meanings in the Microsoft category. Discover the full forms, definitions, and usage contexts of DOS in Microsoft.
Disk Operating System and disk operating system (generically), most often reveal themselves in abbreviated form as DOS, refer to an operating system software used in most computers that provides the abstraction and management of secondary storage devices and the information on them. Such software is referred to as a disk operating system when the storage devices it manages are made of rotating platters, such as floppy disks or hard disks.
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