Oh happy day! I got an e-mail from a reader with a shell script question that didn't appear to be homework from a programming class or anything to do with hacking passwords. The reader wrote: I am ...
# trap and end any background jobs upon interrupt. trap "printf 'Quitting early.'; kill 0" INT TERM EXIT ERR makessl & makebdb & makepcre & wait 1 2 3 makecf I would expect that if any of the three ...
Last month, we looked at signals, the rudimentary mechanism that processes on a Linux box can use to communicate events and state changes. We talked about how each of the signals can be sent manually ...
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