This repo contains the original source-code and compiled binaries for MS-DOS v1.25 and MS-DOS v2.0, plus the source-code for MS-DOS v4.00 jointly developed by IBM and Microsoft. https://github.com/microsoft/MS-DOS #opensource
GitHub - microsoft/MS-DOS: The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes - microsoft/MS-DOS

GitHub

@nixCraft also they did license it under the permissive #MIT license, and not some "non-commercial only, non-derivative educational use only" #freeware-esque license...

I hope the folks at #FreeDOS can use that to optimize compatibility even more...

@kkarhan this all came from research that starfrost was doing into old Microsoft stuff btw, nobody's really thanking him from the articles I've seen and some people aren't linking to the actual announcement articles
The history of Multitasking MS-DOS

@experiencer thx for pointing that out so I boosted it as well...
ExperiencersInternational :lidl: 🇵🇸 (@experiencer)

@[email protected] this all came from research that starfrost was doing into old Microsoft stuff btw, nobody's really thanking him from the articles I've seen and some people aren't linking to the actual announcement articles RE: @[email protected] also they did license it under the permissive #MIT license, and not some <i>"non-commercial only, non-derivative educational use only"</i> #freeware-esque license... I hope the folks at #FreeDOS can use that to optimize compatibility even more... RE: ...

Lethal Lava Land