1. MS-DOS - Noun
2. MS-DOS - Proper noun
an operating system developed by Bill Gates for personal computers
Source: WordNetWe have a whole valley full of people talking UNIX versus MS-DOS. What do you need any of that for? Just throw it all out; get rid of all that nonsense. Maybe you need it for computer scientists, but for people who want to get something done, no. Do you need an operating system? No. Jef Raskin
A 20 MiB hard disk formatted under MS-DOS 3.0 was not accessible by the older MS-DOS 2.0 because MS-DOS 2.0 did not support version 3.0's FAT16. Source: Internet
Any software written for MS-DOS would operate on any MS-DOS computer, despite variations in hardware design. Source: Internet
A Judge Dredd Pinball game was released for MS-DOS in 1998. Source: Internet
An MS-DOS port was released in early 1988, developed in part by Lucasfilm employees Aric Wilmunder and Brad Taylor. Source: Internet
A third, 16-bit subsystem often called the MS-DOS subsystem uses the Command.com provided with these operating systems to run the aforementioned MS-DOS batch files. Source: Internet