I have oracle running on SuSE 9.3.

I need normal users to be able to run sqlplus. I can run sqlplus as the
oracle user. When I log in as the oracle user, I can also connect to the
database with a different oracle user.

It seems the normal user does not have all the needed access to run sqlplus.

I've followed the docs from:
http://ftp.novell.com/partners/oracle/docs/10gR1_sl93_introduction.pdf

I've changed some of the permissions on libraries and tried to set the
environment variables.

Still, a normal user can't run sqlplus
Any suggestions?