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