{HEAD ~ The output} from {TAIL ~ the computer} may be displayed in real time in various monitors 28, then also may be output to a permanent record 30 
from
{ HEAD ~ The output } from { TAIL ~ the computer } may be displayed in real time in various monitors 28 , then also may be output to a permanent record 30
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 OTH OTH OTH OTH OTH OTH OTH OTH