This is a rare look at the tech giant's first operating system ...
Microsoft finally open sources DOS 1.0 - and it's so much more than the code ...
For students of early PC history, this isn’t even the first piece of 86-DOS history that has been newly rediscovered this ...
Microsoft has officially released another significant piece of DOS history. The "Paterson Listings" include the earliest ...
Long before Windows, and even before MS-DOS, Microsoft sold a Unix-based operating system it called Xenix in 1980. It was the first OS made by the company, but it eventually sold it off in 1987. On ...
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 ...
Microsoft on Tuesday released the earliest known DOS source code materials found to date to mark the 45th anniversary of 86-DOS 1.00.