The DOS produced by IBM designed to work like MS-DOS. Early versions of it bear striking similarities to the earlier CP/M, but it utilizes simpler commands. It provides only a CLI, but either Windows 3.1 or GEOS may be run on top of it to provide a GUI. It only runs on x86 based machines.
a version of DOS from IBM.
The version of the DOS operating system supplied with PCs sold by IBM. PC-DOS and MS-DOS started out as virtually identical operating systems, with only a few minor differences in device driver nam ... more
personal computer disk operating system) IBM's trademarked acronym for their PC operating system. If PC-DOS runs on an IBM compatible, it is then called MS-DOS.