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SubjectRe: Feature for sysrq.
Martin Mares:

: On the other hand, it might be useful to add a capability to the keyboard
: driver allowing arbitrary programs to be executed on press of given key
: combination. This might be simply accomplished by passing a message
: to kerneld. But now I have no time for implementing such a thing.

It is there already. Look at the kbd docs and the SpawnConsole
(a.k.a. KbdRequest) keysym.
I use it mainly to get a fresh console running login or bash
each time I press Alt-UpArrow, but there exists a dynamic-console
package that does more general things with this keypress.

Andries

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