RE: Detecting whether a session is locally or remotely log ged in

> Are you trying to determine this from within the shell session or by 
> looking at it from the outside?

Within the session
> 
> If you're doing it from within the shell, then ssh usually sets a few 
> env variables which might be helpful.  eg. SSH_CLIENT, 
> SSH_CONNECTION, 
> SSH_TTY.  There might be others too...  Obviously, they won't be 
> present if the shell is local to the system.

I saw those.  Thay might cover the cases I need to deal with, though there
is a small probability of remote X sessions (which I also want the script to
avoid)...