&startSETI
      if ( ($uptime < $lowThreshold) && (______@seti______< $maxInstances) );
   
   #
   # if the uptime is above a certain load,
   # then kill a SETI instance.
   #
   &stopSETI
      if ( ($uptime > $hiThreshold) && (______@seti______ > $minInstances) );