> namely an implementation of the stuff that makes it possible to go fullscreen > and back.
I remade .fvwmrc and set this to do what you wanted: Key F9 A M Maximize 100 100 There is a lot options to change and make fvwm just perfect. This takes the shell as an input and fullscreens it and, with repeated press (alt-F9), scales back. Best regards Zoran