请教一个初级问题，关于安装配置的问题

maigan02

我刚刚在solaris下装了oracle9i，刚开始学，什么都不懂，请指教。
$ sqlplus

SQL*Plus: Release 9.2.0.1.0 - Production on Fri Jun 10 11:48:16 2005

Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.

Enter user-name: oracle
Enter password:
ERROR:
ORA-07217: sltln: environment variable cannot be evaluated.
是我的环境变量设置有问题吗？
我的.profile设置如下
$ more .profile
#       This is the default standard profile provided to a user.
#       They are expected to edit it to meet their own needs.

MAIL=/usr/mail/${LOGNAME}
DISPLAY=E450:0.0
export DISPLAY
TMPDIR=/tmp
export TMPDIR
ORACLE_BASE=/opt/oracle/app
export ORACLE_BASE
ORACLE_HOME=$ORACLE_BASE/product/9.2.0
export ORACLE_HOME
PATH=$ORACLE_HOME/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/etc:.
export PATH