History painstakingly preserved.

For students of early PC history, this isn’t even the first piece of 86-DOS history that has been newly rediscovered this ...

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

Microsoft has officially released another significant piece of DOS history. The "Paterson Listings" include the earliest ...

Doing software archaeology can be a harrowing task, as rarely do you find complete snapshots of particular versions of ...

DOS, Microsoft is releasing the earliest known source code listings – transcribed from yellowed continuous printouts.

The source code for 86-DOS 1.00, the OS that eventually became MS-DOS and Windows, is now available on GitHub.

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 ...

On this day in 1975, Bill Gates and Paul Allen founded a company called Micro-Soft in Albuquerque, New Mexico. The two men had worked together before, as members of the Lakeside Programming group in ...

It might seem like the days of MS-DOS were a lifetime ago because…well, they basically were. Version 6.22 of the venerable operating system, the last standalone release, came out back in 1994. That ...

MS-DOS or Microsoft Disk Operating System was the dominant operating system for Personal Computer throughout the 80s. MS-DOS is a non-graphical command line operating system. MS-DOS allows the user to ...