A disk filename has three parts, the name, the extension and the
owner.  The name is six characters, the extension three characters.
The owner name is in two parts, the project name and the programmer
name, each of which is 1 to 3 characters.  Filenames are usually
written like this:	FILENM.EXT[PRJ,PRG]
Normally the extension of a file is chosen from a set of standard
extensions indicating what kind of file it is.  Type HELP EXT for
a list of some of these standard extensions.

Commands to manipulate files:

TYPE <file>	     types a file on the user's terminal
DELETE <file>	     deletes the specified file
DIRECTORY	     types the names of all of the user's files
DIRECTORY [PRJ,PRG]  types the names of some other user's files
SPOOL <file>	     makes a listing of the file on the line printer

Commands to find status of open files:

FILES <job number>   gives files for specified job (0 means yourself)
FILES <file>	     gives references (all jobs) to specified file
FILES		     continues uncompleted prior FILES command, if
			any, else does a FILES 0 (your own files).

If a file list is too long for FILES to print all of it at one time,
"..." is printed after the first part of the list and a FILES
command with no argument will continue printing the list.