[Yeo Kheng Meng] didn’t cheat by simply running MS-DOS on a modern PC, either: he tested the client on a real 1984 vintage IBM 5155 Portable PC. This semi-portable PC/XT model sports a 4.77 MHz ...

He still oversees the project to this day. MS-DOS, IBM-DOS, and other DOS derivatives were the most popular operating systems for PCs from the first IBM PC in 1981 to around the mid-1990s.

Now, thanks to [Mike Chambers], you can add to the IRC ecosystem by hosting your very own MS-DOS based IRC server ... can get up on the 40-year-old IBM 5150, and should absolutely scream on ...

In partnership with IBM, Microsoft has released the source code for MS-DOS 4.0, more than 35 years since the operating system made a muted appearance ahead of Windows 3.x.… MS-DOS 4.0 is a relic ...

It was envisioned as a graphical user interface (GUI) overlay for MS-DOS, which ran on IBM PCs and compatible systems. At the time, GUIs were a groundbreaking innovation. Unlike the command-line ...