This invention reads all the data of a disk drive to {HEAD ~ the unused memory space} in {TAIL ~ the system} in a step, instead of reading a sector in each reading step 
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This invention reads all the data of a disk drive to { HEAD ~ the unused memory space } in { TAIL ~ the system } in a step , instead of reading a sector in each reading step
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH