Big Blues said Kildall considered suing IBM and Microsoft over DOS, but IBM mollified the company by offering to make the 16-bit version of CP/M also available on the PC.

That OS would later become known as MS-DOS. Not that long before this historical purchase, IBM came a'knockin' at Microsoft's door, in search of a 16-bit OS to run on its early PCs.

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 ...

The Config.sys is the main configuration file used by OS/2, MS-DOS and other operating systems. Config.sys commands loads programs into the memory and sets ups the memory management of the system. The ...