Retrieving the target file is made impractical by the deletion of {HEAD ~ the reference} to the target file in {TAIL ~ the directory manager file} 
Retrieving the target file is made impractical by the deletion of { HEAD ~ the reference } to the target file in { TAIL ~ the directory manager file }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL