I am new to Firebird, and would be interested in understanding
how to set up a "common user" such that this user doesn't have
administrative rights.

What are the suggested "rights" for such users? I am still in the
early stages of implementation (a testbed, prior to a production
server).

I come from the SQL Server 2000 world, but am brand new to unix
and also to Firebird.

Thanks in advance!
Bryan