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