MS-DOS - Wikipedia
MS-DOS is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS...
MS-DOS help and commands
Microsoft DOS, MS-DOS, and Windows command line help and information with all available commands since the first release of MS-DOS, examples, and syntax.
GitHub - microsoft/MS-DOS: The original sources of MS-DOS 1.25...
MS-DOS README in Greek. This repo contains the original source-code and compiled binaries for MS-DOS v1.25 and MS-DOS v2.0.
WinWorld: MS-DOS 6.22
MS-DOS 6.22. Originally 86-DOS, written by Tim Paterson of Seattle Computer Products, DOS was a rough clone of CP/M for 8086 Microsoft DOS 6.22 was the last standalone version from Microsoft.