An initial program load of the computer is then attempted from the mass storage devices in {HEAD ~ the order} specified utilizing {TAIL ~ the single user interface menu} 
specified utilizing
An initial program load of the computer is then attempted from the mass storage devices in { HEAD ~ the order } specified utilizing { TAIL ~ the single user interface menu }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL