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Silently start task in background

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linux-howto

http://unix.stackexchange.com – I know that you can use this to start a process in the background, without getting the notification when the process is put in the background and when it is done like so: (command &) &> /dev/null However this removes the option to trap when the process finishes (trap child_done CHLD). How can I have both? (HowTos)