{"version":"1.0","type":"link","title":"Disk operating system - Newikis","description":"A disk operating system (DOS) is a computer operating system that requires a hard disk (HDD), floppy disk, solid-state drive (SSD), or other direct-access storage device as secondary storage. A DOS provides a file system and a means for loading and running programs stored on the disk.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}