HP 3000 Manuals

HP ALLBASE/4GL Developer Reference Manual Vol. 1

Signing Off 

At the end of your HP ALLBASE/4GL session, return to the developer main
menu.  Press the  Sign On Screen  function key to return to the sign on
screen.

To exit completely from HP ALLBASE/4GL, you can now press the  Exit  
function key.  You can also exit from HP ALLBASE/4GL by pressing the  
Exit  function key in the More Keys set of system function keys.

MPE/iX 5.0 Documentation