Noun Concept
Categories: Disk operating systems, All articles needing additional references, Articles with short description, DOS on IBM PC compatibles, American inventions
DOS  disk operating system
An operating system that is on a disk WordNet 3.0
An operating system that is on a disk WordNet 3.0 & WordNet 2020
A disk operating system is a computer operating system that resides on and can use a disk storage device, such as a floppy disk, hard disk drive, or optical disc. A disk operating system must provide a file system for organizing, reading, and writing files on the storage disk. Wikipedia
DOS is a platform-independent acronym for Disk Operating System which later became a common shorthand for disk-based operating systems on IBM PC compatibles. Wikipedia
Software in most computers that allows for management of the storage devices Wikipedia Disambiguation
Group of closely-related PC-compatible operating systems Wikidata
Type of operating system Wikidata