Reviving a hung-up process

[Adam Carlson]

Occaisionally I will be connected to my Sun 3/80 (SunOS 4.1) via a
modem and will leave it unattended.  When I do this, the modem will
time out and I will be disconnected.  When I log back in and ps -x, I
see and extra csh.  How can I get back into that process, I've tried
fg, but it only works for jobs.  RTFM's are fine, but which FM?

Thanks
-- 
Adam Carlson                  | It's good to know that if I behave
acarlson at math.umass.edu       | strangely enough, society will take
Statistical Consulting Center | full responsibility for me.
UMass @ Amherst               | - Ashleigh Brilliant