Nowadays a lot of Linux systems are used "headless" for single task jobs
(eg mail relay, print server) where no console or backup is really required.
Occaisionally they need to be powered down, but without a console it's really
hard to tell when the kernel has halt'd. So how about the busy while(1);
loop on halt having the ability to beep once a second (or whatever) so that
the admin knows when the kernel has finally halted...
Is this possible, or have all timers been killed by this stage?
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