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 ...

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 ...

Rumor has it that Microsoft copied CP/M to create the first version of MS-DOS for the IBM PC. These rumors have been put to rest on numerous occasions, but consultant Bob Zeidman — who himself found ...

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 ...

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 ...

This new VS Code plugin gives you the power to develop the DOS game you've always dreamed of using entirely free tools. Ring in the new year by bringing your retro ideas to life with "dos-dev".

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 ...

Microsoft (NASDAQ:MSFT) releases old source code. MS-DOS and Word For Windows are downloadable (but don’t call them ‘open’). The Computer History Museum (CHM) hosts the files for us, calling them ...

TL;DR: Microsoft will likely never release the original source code of Windows into the wild, but the company is clearly interested in sharing important episodes of its software development history.

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 ...