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