{HEAD ~ Other operations} include reading {TAIL ~ a directory}, creating a file, removing a file, retrieving file attributes, modifying file attributes, and locking a file 
include reading
{ HEAD ~ Other operations } include reading { TAIL ~ a directory } , creating a file , removing a file , retrieving file attributes , modifying file attributes , and locking a file
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH