The general form of the User File Directory command is:

	UFD ddn:<volume-label>[group,member]</keyword></keyword>

	where keyword may be null, ALLOC and/or PRO.

This command creates a User File Directory on a Files-11 volume and
enters its name into the Master File Directory. In multiuser pro-
tection systems, a nonprivileged user can create a UFD only on the
user's private device (i.e., a device the user has allocated).

ALLOC and PRO are qualifiers for UFD.
2 ALLOC
 /ALLOC=n

 n is the number of directory entries for which space is to be allocated.
The number provided is rounded up to the next multiple of 32(10).
2 PRO
 /PRO=[system,group,owner,world]

 PRO establishes access rights for the directory file.
