Microsoft open-sources “the earliest DOS source code discovered to date”

Several times in the last couple of decades, Microsoft has released source code for the original MS-DOS operating system that ...

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

Want a blast from the past? Microsoft just open-sourced its very first operating system, offering a rare insight into the ...

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

The source code for 86-DOS 1.00, the OS that eventually became MS-DOS and Windows, is now available on GitHub.
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 ...

Microsoft Open Sources Some of the Earliest MS-DOS Code

Microsoft today announced the release of the source code for he 86-DOS 1.00 kernel, which is among the earliest code for what ...
Hosted on MSN

Microsoft open-sources original 86-DOS 1.00 code on GitHub

Microsoft has released the source code for 86-DOS 1.00, the 45-year-old operating system that became the foundation for MS-DOS and PC-DOS, on GitHub under the permissive MIT license. The release ...
Hackaday

Transcribing The Source Of The First DOS For The IBM PC

Doing software archaeology can be a harrowing task, as rarely do you find complete snapshots of particular versions of ...
Redmondmag.com

Microsoft Open Sources Earliest DOS Code on Anniversary

Microsoft on Tuesday released the earliest known DOS source code materials found to date to mark the 45th anniversary of 86-DOS 1.00.