Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few operating systems attempting to be compatible with MS-DOS, are sometimes referred to as 'DOS' (which is also the generic acronym for disk operating system). MS-DOS ( / ˌ ɛ m ˌ ɛ s ˈ d ɒ s/ em-es- DOSS acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft. MS-DOS versions 1x-7.0 unsupported as of Decem MS-DOS versions 7.10 and 8.0 unsupported as of July 11, 2006.
