Microsoft VP confirms transcribed document “is perfect and recompiles byte for byte to the original binaries.” ...

Microsoft on Tuesday released the earliest known DOS source code materials found to date to mark the 45th anniversary of 86-DOS 1.00. The new software preservation effort announced on the Microsoft ...

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

Following on from the earlier collaboration with the Computer History Museum to release the source code for MS-DOS roughly 4 years ago. Microsoft has today announced the availability of the MS-DOS ...

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 ...

A decade after releasing the source code for MS-DOS 1.1 and MS-DOS 2.0, Microsoft has open sourced a (slightly) more recent operating system: MS-DOS 4.0. First released in 1988, you can now download ...

Editor's take: Microsoft continues to tightly control the release of some of its most important pieces of legacy software. While enthusiasts and programmers are eager to see newer versions of MS-DOS ...

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

Microsoft, in conjunction with the Computer History Museum in Silicon Valley, has released the source code for MS-DOS 1.1, MS-DOS 2.0, and Word for Windows 1.1a. These programs are probably the three ...

Microsoft has open-sourced another bit of computing history this week: The company teamed up with IBM to release the source code of 1988’s MS-DOS 4.00, a version better known for its unpopularity, ...