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

For students of early PC history, this isn’t even the first piece of 86-DOS history that has been newly rediscovered this decade. Just two years ago, the earliest known version of 86-DOS was ...

Microsoft releases earliest known DOS source code

DOS, Microsoft is releasing the earliest known source code listings – transcribed from yellowed continuous printouts.
Ars Technica

Microsoft open-sources Bill Gates’ 6502 BASIC from 1978

On Wednesday, Microsoft released the complete source code for Microsoft BASIC for 6502 Version 1.1, the 1978 interpreter that powered the Commodore PET, VIC-20, Commodore 64, and Apple II through ...
CRN

Microsoft Depends On Shared Source, Dips Toe In Open-Source Waters

Jason Matusow, director of the Shared Source Initiative, said Microsoft would continue to add to the 20 products that it currently makes available for source-code inspection. Matusow was a session ...
来自MSN

Bill Gates Has Published the Original Microsoft Source Code

If you want to see the original source code that started Microsoft, Bill Gates is now sharing it. On Wednesday, the Microsoft co-founder posted it on his Gates Notes blog, reminiscing about the ...