1.00 Operating System DOS IBM/Microsoft ART.BAS BALL.BAS BASIC.COM BASICA.COM BLUE.BAS BUG.BAS CALENDAR.BAS CHKDSK.COM CIRCLE.BAS COLORBAR.BAS COMM.BAS COMMAND.COM COMP.COM DANDY.BAS DATE.COM DEBUG.COM DISKCOMP.COM DISKCOPY.COM DONKEY.BAS EDLIN.COM FORMAT.COM FORTY.BAS HAT.BAS HUMOR.BAS IBMBIO.COM IBMDOS.COM LINK.EXE MARCH.BAS MODE.COM MORTGAGE.BAS MUSIC.BAS PIECHART.BAS POP.BAS SAKURA.BAS SAMPLES.BAS SCALES.BAS SPACE.BAS STARS.BAS SYS.COM TIME.COM