ZDNet

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

PC-DOS 1.00 would lead to Microsoft becoming computing's top dog Microsoft continues to embrace open source. The source code and annotations provide insight into the operating system's earliest days.
InfoQ

Microsoft and IBM Release MS-DOS 4.0’s Source Code under the MIT License

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Birgitta Böckeler, Distinguished Engineer at ...
GeekWire

Inside the Windows 1.0 reunion: How a scrappy team shipped the product that changed everything, eventually

Members of the Windows 1.0 team at their 40-year reunion this week. L-R, kneeling/sitting: Joe Barello, Ed Mills, Tandy Trower, Mark Cliggett, Steve Ballmer (holding a Windows 1.0 screenshot) and Don ...
PC World

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

Microsoft open-sourced 86-DOS 1.00 source code on GitHub for its 45th anniversary, according to PCWorld, including kernel and PC-DOS development snapshots. This historically significant software, ...