Optionally, {HEAD ~ data} from the primary operating system can be exported to {TAIL ~ the secondary memory device} as well 
Optionally , { HEAD ~ data } from the primary operating system can be exported to { TAIL ~ the secondary memory device } as well
OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH