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.

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 ...

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 has published the earliest-discovered version of the DOS operating system on an open-source GitHub repo. This comes after MS-DOS 1.25 and 2.x were open-sourced in 2018 and the source for ...

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 ...