# This function completes on process group IDs.
# AIX and SunOS prefer X/Open, all else should be BSD.
[ $UNAME = SunOS -o $UNAME = AIX ] &&
_pgids()
{
	COMPREPLY=( $( compgen -W '$( command ps -efo pgid | sed 1d )' -- $cur ))
} ||
_pgids()
{
	COMPREPLY=( $( compgen -W '$( command ps axo pgid | sed 1d )' -- $cur ))
}
