3.31 Operating System DOS Microsoft MS-DOS 3.31 (1.44M Disk) 4201.CPI 5202.CPI ANSI.SYS APPEND.EXE ASSIGN.COM ATTRIB.EXE BACKUP.COM CHKDSK.COM COMMAND.COM COMP.COM COUNTRY.SYS DATACOPY.EXE DEBUG.COM DISKCOMP.COM DISKCOPY.COM DISPLAY.SYS DRIVER.SYS EDLIN.COM EGA.CPI EXE2BIN.EXE FASTOPEN.EXE FC.EXE FDISK.COM FIND.EXE FORMAT.COM GRAFTABL.COM GRAPHICS.COM GWBASIC.EXE IO.SYS JOIN.EXE KEYB.COM KEYBOARD.SYS LABEL.COM LINK.EXE MCONFIG.COM MODE.COM MORE.COM MSDOS.SYS NLSFUNC.EXE PRINT.COM PRINTER.SYS PROTO.SYS RAMDRIVE.SYS READPORT.COM REBOOT.COM RECOVER.COM REPLACE.EXE RESTORE.COM SELECT.COM SETCMOS.COM SETPORT.COM SETSPD.COM SETUP.COM SHARE.EXE SORT.EXE SUBST.EXE SYS.COM TREE.COM UPDCFG.COM XCOPY.EXE