FROM is a VMS command similar to the one of the same name found on many
Unix systems.  It allows you to print a directory of mail messages in
a given folder, and optionally select them by a substring search of the
from address.

FROM should be defined as a foreign command, e.g.,

$ FROM :== $disk:[dir]FROM

FROM syntax:

$ From [substring | *] [folder] [filename]

Where:

	substring = Substring to search for in the From: field.  * means
		    wildcard and is the default.
	folder	  = Optional folder name.  Defaults to NEWMAIL.
	filename  = Optional mail file name.  Defaults to your MAIL.MAI,
		    wherever it lives.