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 kicked off its decades-long dominance of consumer PCs. This week, the ...
Hosted on MSN

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

Microsoft has released the 86-DOS 1.00 source code, including its kernel, PC-DOS snapshots and utilities. Includes handwritten notes from 86-DOS creator Tim Paterson with timelines, feature context, ...
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. Today, June 8th, InfoQ celebrates 20 years.
Computerworld

Happy Birthday, MS-DOS — 30 candles

Tony Smith puns it up, with “Kudos to QDOS”: On 27 July 1981, Microsoft gave the name MS-DOS to the…operating system it acquired on that day from Seattle Computer Products (SCP). … The company had ...