The directory manager file includes {TAIL ~ an encryption key} for {HEAD ~ a segment} that is used when reconstructing a target file 
The directory manager file includes { TAIL ~ an encryption key } for { HEAD ~ a segment } that is used when reconstructing a target file
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH