1.12 Operating System DOS Microsoft/COMPAQ COMPAQ MS-DOS 1.12 BASIC.COM BASICA.COM BASICA.EXE CHKDSK.COM COMMAND.COM COMP.COM DEBUG.COM DEMO.BAS DEMO.BAT DEMO1.BAS DEMO2.BAS DEMO3.BAS DEMO4.BAS DISKCOMP.COM DISKCOPY.COM EDLIN.COM EXE2BIN.EXE FORMAT.COM INTEREST.BAS IOSYS.COM JUGGLER.DAT LINK.EXE MODE.COM MSDOS.COM SYS.COM TEST.EXE USA.DAT WORDS