Microsoft open sources MS-DOS again, this time on GitHub — ZDNet

Microsoft has made the MS-DOS 1.25 and 2.0 source code available on GitHub for reference purposes, writes Mary Jo Foley.

Here is the link: https://www.zdnet.com/article/microsoft-open-sources-ms-dos-again-this-time-on-github/

Here is the MSDN blog post announcing the open sourcing: https://blogs.msdn.microsoft.com/commandline/2018/09/28/re-open-sourcing-ms-dos-1-25-and-2-0/

Here is the repo on GitHub: https://github.com/microsoft/ms-dos