F1: Help Screen  F2: Typ      F3:Copy   F4: CD\     F5: CD\ root
F6: Dir/w        F7: En       F8:Cls    F9: UTIL    F10: REDEFINE
Alt F1: Sm Hlp Alt F2: Edlin  Alt F3: *.*   Alt F4: CD\     Alt F5: Editor
Alt F6: Dir    Alt F7: DIREC Alt F8: GEN   Alt F9: KEY     Alt F10: Copy Con 
