{HEAD ~ The normal mode} utilizes {TAIL ~ a primary processor}, which operates using a primary operating system 
utilizes
{ HEAD ~ The normal mode } utilizes { TAIL ~ a primary processor } , which operates using a primary operating system
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH