> Soren S. Jorvang proposed to make this analogy even closer
> by binding another function to C-A-Bcksp: one which closes
> all file descriptors on this terminal, thus killing the
> login session immediately. This could provide a "trusted path"
> functionality.

What about binding the "trusted path" functionality to control-alt-delete
(as opposed to control-alt-backspace).  Many DOS and Wintel users expect
control-alt-delete to reboot or to get them a prompt from some trusted
part of the OS. 

> The other question is what an appropriate key binding for
> the simple "reset emulator" function would be.
> Function keys like "break" and "SysRq" might not be present
> on all keyboards.

control-alt-escape ?

--apb (Alan Barrett)