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 ...

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

DOS 1.00, made available as an open-source project on GitHub. The release marks the 45th anniversary of 86-DOS 1.00, created ...
XDA Developers on MSN

Microsoft open-sources MS-DOS 1.0, offering a rare look at PC history

This is a rare look at the tech giant's first operating system ...