The host workstation keeps track of activity occurring on {TAIL ~ the individual workstations} within {HEAD ~ the workgroup} 
The host workstation keeps track of activity occurring on { TAIL ~ the individual workstations } within { HEAD ~ the workgroup }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD