DOS 386

DOS 386 or DOS/386 may refer to:


 * Concurrent DOS 386, a Digital Research CP/M- and DOS-compatible multiuser multitasking operating system variant since 1987
 * FlexOS 386, a Digital Research FlexOS operating system variant since 1987
 * PC-MOS/386, a DOS-compatible multiuser, multitasking operating system produced by The Software Link since 1987