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Re: killing subshells in /bin/sh scripts
> Instead (and here we go beyond posix, but into fairly widely supported
> territory I believe, in that it has been like this a very long time), if
> you send a signal to a negative process ID, it sends the signal to the
> process group that is the absolute value of that ID.
That actually *is* POSIX (and always has been, for both the kill(1)
utility and the kill() function)).
In any case: very worthwhile tutorial -- thanks!
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