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  1. or download this
    #!/usr/bin/perl
    use POSIX qw(pause);
    ...
        print "child about to exit\n";
        exit;
    }
    
  2. or download this
    hbo@owen|1337> perl test
    child is about to signal parent (at 24421)
    child signaled 0 process(es)
    child about to exit
    
  3. or download this
    hbo@owen|1338> perl test
    child is about to signal parent (at 24428)
    parent woke up
    child about to exit
    parent reaped child