Earlier this month, I spent a day working in the throwback world of DOS. More specifically, it was FreeDOS version 1.1, the open source version of the long-defunct Microsoft MS-DOS operating system.

As the forerunner to the graphical user interfaces in Microsoft’s Windows platform, MS-DOS helped set the stage for the company’s dominance in the PC software market. When MS-DOS was released in 1981, ...

DR DOS version 9.0 is now in beta testing, with Revision 291 recently released and available for anyone to download and test. Developer and Redditor CheeseWeezel announced the publicly available ...

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 ...

DR-DOS is back, and there is already a test version you can download. But as of yet, it's not finished, not FOSS – and not based on the original code.… The long-dormant DR-DOS.com website is alive ...

Like the old-fangled BIOS (which is slowly being phased out with the help of EFI), the DOS operating system is a piece of computing history that refuses to be only history. While most folks will never ...

A forensic computing researcher may have settled one of tech's longest standing controversies: whether the original version of Microsoft's seminal MS-DOS operating system contained code copied from an ...

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 ...

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 ...

Lordy, lordy, look who’s 40! Happy birthday, Unix — you’re looking great for your age. You certainly weren’t the first operating system on any platform, but you managed to stride from the minicomputer ...