> I'm interested using elog for a lab notebook.  Once entries have been
> entered they cannot be changed/edited.
> Is it possible for elog to be setup to support something like this?  A write
> only mode?

What you need is an entry in the elogd.cfg file:

Manu commands = Back, New, Reply, Find, Config, Logout, Help

As you see, the "Edit" and "Delete" commands are missing here and therefore 
do not get displayed. So you can enter a message with "New", but you cannot 
change it afterwards.