DOS (Disambiguation)

DOS can stand for either:


 * Disk Operating System
 * for IBM Mainframe systems (1965)
 * System/360: DOS/360
 * System/370: DOS/VS, DOS/VSE, SSX/VSE, VSE/SP
 * ESA: VSE/ESA, z/VSE
 * for Digital PDP-11 (1970)
 * DOS-11
 * for Apple II (1978)
 * Apple DOS
 * for Atari 8-bit machines (1979)
 * Atari DOS
 * for IBM PC systems (1981)
 * IBM PC DOS
 * for MSX (1984)
 * MSX-DOS