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. Command-line ( COMMAND.COM), text ( DOS Shell)
