DescriptionWith the permission of Microsoft Corporation, the Computer History Museum is pleased to make available the source and object code to Microsoft’s MS-DOS operating system versions 1.1 and 2.0, for non-commercial use.
The zip file contains four subdirectories:
v11source: 7 assembler code files, and an explanatory email from Tim Paterson
v11object: 27 files, some binary programs and some sample programs
v20source: 118 text files, mostly assembler code and some documentation
v20object: 38 files, some binary and some documentation
To learn more about this release and to access the zip file please visit: https://computerhistory.org/blog/microsoft-ms-dos-early-source-code/