Definitions for "PC-DOS"
Keywords:  ibm, nam, geos, cli, version
The original operating system that IBM supplied with its personal computers, licensed from Microsoft.
Personal Computer Disk Operating System. A version of MS-DOS licensed by IBM for use on its personal computers.
Another disk operating system, but sold by IBM instead of by Microsoft. Viruses that infect DOS based systems are usually capable of infecting both PC and MS DOS based systems.