Stan asked: Why?  At first glance, I can see no reason to want to do
this...the
> information you get back wouldn't seem to be too useful.  E.g., if you
> have MPEXL_SYSTEM_VOLUME_SET with classes DISC and FRED, and
> USERS with
> classes DISC and SALES, "FRED" and "SALES" aren't
> interchangable...

I know you guys were talking about DASD, but,

Working in development, I often need to know the relationships between
classes and LDEVs for printers and that's where I would use a :SHOWCLASS
command.  I have people ask me what classnames a certain LDEV belongs to a
couple of times a month.

-dtd