F1: Help Screen  F2: CD\      F3:Dos    F4: Basica  F5: Endata
F6: Dir/w        F7: UTIL     F8:Lotus  F9: Enable  F10: REDEFINE
Alt F1: Help   Alt F2: CD\root  Alt F3: Temp  Alt F4: MD\   Alt F5: Batch
Alt F6: Zstem  Alt F7: Typ      Alt F8: Func  Alt F9: KEY   Alt F10: SUBDIR
