Microsoft open-sources 86-DOS 1.00, the ancestor of Windows

Microsoft just released the source code for 86-DOS 1.00, made available as an open-source project on GitHub. The release ...

Microsoft finally open sources DOS 1.0 - and it's so much more than the code

Microsoft finally open sources DOS 1.0 - and it's so much more than the code ...
Neowin

Perhaps the earliest ancestor of Microsoft DOS and Windows just arrived on the Internet

The earliest known version of 86-DOS, which is basically the great grandfather of Microsoft DOS has arrived on the internet, thanks to a tech enthusiast who has uploaded the version to the Archive.