John writes:
> Stan, you don't even have to go with the UDC.  You can LISTFILE
> /ACCOUNT,8 to see how many logged on to that account. This works for
> groups also, LISTFILE /SYS/PUB,8 to see who's logged into the PUB group
> of the SYS account.

I thought of that...but other people/processes have the account
file open, usually.  On one machine I just looked at,
the in-use count for /SIELER/ was 11, but there were only
two sessions logged on to the SIELER account.

SS