After applying 9.2.0.6 ---
can no longer get in with sqlplus /nolog
must provide sqlplus user/pw
etc.
Problem does'nt appear with Linux.
[aix5t]:oracle:test92:/m01/home/dba/oracle
$ sqlplus /nolog
SQL*Plus: Release 9.2.0.6.0 - Production on Sat Jan 29 16:36:16 2005
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SP2-0640: Not connected
SP2-0640: Not connected
Enter value for db_name:
