Microsoft arguably built its business on MS-DOS, and on Tuesday the software giant and the Mountain View, CA-based Computer History Museum took the unprecedented step of publishing the source code for ...

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 has released the source code for 86-DOS 1.00, the 45-year-old operating system that became the foundation for MS-DOS and PC-DOS, on GitHub under the permissive MIT license. The release ...

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.

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, ...

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 ...

Follow ZDNET: Add us as a preferred source on Google. PC-DOS 1.00 would lead to Microsoft becoming computing's top dog Microsoft continues to embrace open source. The source code and annotations ...

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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 ...

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.