{HEAD ~ power} on resuming means for returning the data held in {TAIL ~ the hard disk} to the first storing means 
{ HEAD ~ power } on resuming means for returning the data held in { TAIL ~ the hard disk } to the first storing means
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH