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>>>>> "Marc" == Marc SCHAEFER <schaefer@alphanet.ch> writes:

    Marc> l41484@alfa.ist.utl.pt wrote:
    >> What is SAK?

    Marc> Secure Attention Key, a non-trappable keyboard combination
    Marc> which is there to avoid troyans (like the CTRL-ALT-DEL in
    Marc> MS-WINDOWS'NT).

Back in the good old days of front panel switches and lights, we used
to have an "attention" key, or "console interrupt" key.  This key
generated a hardware interrupt independently of the keyboard itself.
It was frequently a momentary action switch on the front panel, rather 
than on the keyboard.

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