{HEAD ~ A workgroup organized network manager} for controlling the operation of {TAIL ~ individual workstations} within a computer network 
{ HEAD ~ A workgroup organized network manager } for controlling the operation of { TAIL ~ individual workstations } within a computer network
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH