3.20 Operating System DOS IBM/Microsoft PC-DOS 3.20 (Disk 1) ANSI.SYS ASSIGN.COM ATTRIB.EXE BACKUP.COM BASIC.COM BASICA.COM CHKDSK.COM COMMAND.COM COMP.COM DISKCOMP.COM DISKCOPY.COM DRIVER.SYS EDLIN.COM FDISK.COM FIND.EXE FORMAT.COM GRAFTABL.COM GRAPHICS.COM IBMBIO.COM IBMDOS.COM JOIN.EXE KEYBFR.COM KEYBGR.COM KEYBIT.COM KEYBSP.COM KEYBUK.COM LABEL.COM MODE.COM MORE.COM PRINT.COM RECOVER.COM REPLACE.EXE RESTORE.COM SELECT.COM SHARE.EXE SORT.EXE SUBST.EXE SYS.COM TREE.COM VDISK.SYS VENDOR-#.WT1 XCOPY.EXE PC-DOS 3.20 (Disk 2) ART.BAS BALL.BAS BASIC.PIF BASICA.PIF CIRCLE.BAS COLORBAR.BAS COMM.BAS DEBUG.COM DONKEY.BAS EXE2BIN.EXE LINK.EXE MORTGAGE.BAS MUSIC.BAS MUSICA.BAS PIECHART.BAS SAMPLES.BAS SPACE.BAS VDISK.LST VENDOR-#.WT1