MS-DOS, PC-DOS, FREEDOS.
MicroSoft - Disk Operating System
History of Disk operating system
is linux a disk operating system
The second operating system should be on a different partition or disk. If you format the partition/disk that the unwanted operating system is on, the machine will have no choice but to boot to the remaining operating system.
By the common definition, no. It is a "disk operating" (basically any operating system booted from a disk), and it is made by Microsoft, but the similarities end there.
Myarc Disk Operating System was created in 1987.
The system disk is the partition from which the operating system was loaded at startup.
An operating system is / was called a "disk" operating system because it was stored on a floppy disk or hard drive, as opposed to either being embedded in a ROM chip (like early versions of Mac OS were), or stored on a cartridge, cassette, tape reel, or some other storage medium. The usage fell out of favor due to the popularity of MS-DOS: "DOS" was thereafter used to refer only to MS-DOS or compatible operating systems.
D.O.S (Disk Operating System)
MS-DOS stands for Microsoft Disk Operating System. MS-DOS was an operating system for personal computers that was used during the 1980s through the mid-1990s.
microsoft disk operating system
Disk Operating System