1 06/11/76  Master Directories
 2 
 3 Master directories:
 4   are created using the -logical_volume control argument to the create_dir
 5 command;
 6   are listed by name in the registration record for the logical volume;
 7   possess attributes like other directories;
 8   draw quota from master directory quota account maintained in the logical
 9 volume registration record;
10   can only be created if the user has a quota account on the logical volume
11 with enough unallocated quota to satisfy the request.