Hosted on MSN

Microsoft open-sources MS-DOS 1.0, offering a rare look at PC history

Microsoft has released the 86-DOS 1.00 source code, including its kernel, PC-DOS snapshots and utilities. Includes handwritten notes from 86-DOS creator Tim Paterson with timelines, feature context, ...
ZDNet

Microsoft finally open sources DOS 1.0 – and it’s so much more than the code

Before “Micro Soft” became Microsoft, Bill Gates wrote BASIC interpreters. Microsoft’s first shipping operating system was a Unix distro called Xenix. Then, in 1980, Microsoft got its shot at the big ...
BGR

The Nostalgic Software That Made Microsoft Huge Is Now Open Source For Anyone To Use

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 ...
Ars Technica

Microsoft open-sources “the earliest DOS source code discovered to date”

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 ...
Hosted on MSN

Microsoft makes 86-DOS 1.00 open source on its 45th birthday

I'm dating myself here, but the operating systems I remember most clearly banging my head against in my youth were Windows 95 and Windows XP. Obviously, plenty of computer interface history predates ...