🚀via @starfrost

Original Mastodon Post

https://github.com/microsoft/MS-DOS/tree/main/v4.0

I would just like to thank @shanselman, Jeff Wilcox, and the Microsoft OSPO for working with me to preserve the source code of MS-DOS 4.0, a very early beta build of the very limited release Multitasking MS-DOS 4.0, and some source code for that too

Have fun, everyone :)