This is most easily seen by running 'seq 1 100000' in a terminal and pressing
control Z or using kill -STOP the proccess stops, but the parent process never
comes back, kill -CONT has to be used in order to get the proccess back.
CPU usage my be a factor in this, yes(1) backgrounds correctly more often then
seq does.
There are no problems with fg/CONT.
-Justin
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