Microsoft continues to make some of the earliest chapters of its operating system history open-source and freely available. Earlier this week, it announced that Tim Paterson's DOS listings, containing ...

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 ...

I always thought it stood for Disk Operating System. I was fucking around with it back in the early 80's after I got out of the Navy, and had taken some BASIC courses. I wrote a program to find out ...

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 ...

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 ...

Facepalm: Microsoft deserves kudos for open-sourcing the MS-DOS 4.00 source code, shedding light on an important milestone in computing history. But the tech giant has bungled the release in a way ...

Halcyon DOS Days: Back in the command prompt days, DR-DOS was one of the main competitors to MS-DOS in the operating system market. Those days are long gone, but a mysterious developer is reviving the ...