disk operating system
noun Computers.
DOS.
Words nearby disk operating system
disk crank,
disk crash,
disk drive,
disk flower,
disk harrow,
disk operating system,
disk pack,
disk sander,
disk syndrome,
disk wheel,
diskette
British Dictionary definitions for disk operating system
disk operating system
noun
an operating system used on a computer system with one or more disk drives
Often shortened to: DOS