DiskOperatingSystem is a general term for an OperatingSystem that provides abstractions for and controls access to the computers disks and other secondary storage devices. CP/M and many other ''retro'' OperatingSystems are DiskOperatingSystem''''''s. 

MicroSoft has created several DiskOperatingSystem''''''s:

 MsDos1.x
 MsDos2.x
 MsDos3.x
 MsDos4.x
 MsDos5.x
 MsDos6.x
 MsDos7.x (which was made for Win95 and Win98)

Also see: http://foldoc.doc.ic.ac.uk/foldoc/foldoc.cgi?disk+operating+system

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CategoryOperatingSystem