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

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

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 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 ...

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 ...

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 ...

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

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 ...

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 ...

That screenshot seems to be MS-DOS 5.0 or later. How many end users had hard drives when 4.0 was released? Click to expand... We had a 20MB hard drive in a PC-XT clone made by Sanyo which was running ...