If ever source code can be said to have helped launch an empire, the code behind the Apple II DOS would qualify. And now it's available to everyone. Last spring, CNET was first to report on the ...

Thanks to a collaboration between two vintage computer museums, the Apple II DOS source code, widely regarded as the seed that sprouted Apple as we know it, has been made available to the public. The ...

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 ...

With permission from Apple, The Computer History Museum and the Digibarn Computer Museum announced today it is publishing the original DOS source code for Apple’s 1978 Apple II. The Apple II was the ...

Microsoft has just released the source code for one of its operating systems… but don’t worry. Hell hasn’t frozen over. It’s just that a lot of time has passed and the software isn’t really all that ...

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, ...

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 ...

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 ...

The Computer History Museum and the DigiBarn Computer Museum today released the 1978 Apple II DOS source code for non-commercial use after obtaining permission from Apple. With thanks to Paul Laughton ...

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 ...

Ever wonder what made MS-DOS tick? Soon, interested geeks will be able to root around inside the original source code for MS-DOS 1.1 and 2.0, as well as Microsoft Word for Windows 1.1, as a part of a ...

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.