Hosted on MSN

DR-DOS rises again – rebuilt from scratch, not open source

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 ...
TechSpot

DR-DOS is coming back from the dead, rebuilt from scratch in pure assembly

Halcyon DOS Days: Back in the command prompt days, DR-DOS was one of the main competitors to MS-DOS in the operating system market. Those days are long gone, but a mysterious developer is reviving the ...
Hackaday

When It Comes To DOS, Don’t Forget DR-DOS.

Despite the latest and greatest Intel-derived computers having multi-core 64-bit processors and unimaginably fast peripherals, at heart they all still retain a compatibility that goes back to the ...
Ars Technica

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

I always thought it stood for Disk Operating System. I was fucking around with it back in the early 80's after I got out of the Navy, and had taken some BASIC courses. I wrote a program to find out ...