MS-DOS

MS-DOS (short for Microsoft Disk Operating System) or (PC-DOS by IBM) is an operating system produced by Microsoft, which can be found only on IBM PC and compatible computers. It is the predecessor of the Windows operating system and OS/2. MS-DOS was popular in the 1980's, acting as a primary operating system for businesses and personal computers. MS-DOS also has the ability to run programs.

Games
The only Mario games specifically developed for and playable via MS-DOS are the releases of these edutainment games:


 * Mario Teaches Typing (1991)
 * Super Mario Bros. Print World (1991)
 * Super Mario Bros. & Friends: When I Grow Up (1992)
 * Mario is Missing! (1992)
 * Mario's Time Machine (1993)
 * Mario's Early Years! CD-ROM Collection (1994)
 * Mario's Game Gallery (1995)
 * Mario Teaches Typing 2 (1996)