On Tue, 2007-04-17 at 08:43 -0700, Bart Smaalders wrote:
> Let's not print from the kernel.... utilities and shells that care
> to do something useful w/ SIGINFO can; everything else should ignore it.
so, the original rationale for SIGINFO/control-T printing from the
kernel was in the days of overloaded academic timesharing systems;
printing from the kernel was done specifically so the system could
demonstrate that it was still responding (and brag about how busy it
was) even if it didn't get around to actually swapping in your processes
for a while.
I believe the general feature and key-binding to control-T was copied
from TOPS-20 and may have originated there.
- Bill
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