DOS 5.0 Disk Operating System – 3.5-INCH DISKETTES – NOT CD-ROM – 3.5-INCH DISKETTES – NOT CD ROM – IBM PROGRAMMING FAMILY by IBM
DOS Disk Operating Sytem Version 5.02 Product Features DOS 5.0 Disk Operating System – Version 5.02 Industry Standard – Single Tasking Operating System – More application memory space Easty to Install – Task Swapper
