Microsoft just released the source code for 86-DOS 1.00, made available as an open-source project on GitHub. The release ...

This is a rare look at the tech giant's first operating system ...

Following on from officially open sourcing MS-DOS 4.0 back in 2024, Microsoft have announced more early DOS code has been ...

Want a blast from the past? Microsoft just open-sourced its very first operating system, offering a rare insight into 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.

After a lot of debugging, [Seth Kushniryk] has managed to get the last issuess shaken out of his port of MS-DOS 2.0 to the Apple II, and has released the project to the public. If you have the ...

Ernie Smith is a former contributor to EdTech and a tech history nut who researches vintage operating systems for fun. Given all the options for computing in the modern day — tablets, laptops and ...

The Book 8088 was a neat experiment, but as a clone of the original IBM PC, it was pretty limited in what it could do. Early MS-DOS apps and games worked fine, and the very first Windows versions ran… ...

Update, July 5, 2021: It's the July 4 holiday weekend in the US, which means Ars staff gets a well-deserved holiday to catch up on this summer's Steam sale (or maybe just to rest). As such, we're ...

In context: Back in 1980, Tim Paterson was creating a new operating system he called QDOS or Quick and Dirty Operating System. The system was later renamed 86-DOS, as it was being designed to run on ...