1. 启动oracle
开启实例: 1. [oracle@localhost ~]$ sqlplus /nolog
SQL*Plus: Release 9.2.0.6.0 - Production on Tue Apr 14 14:50:19 2009
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> connect / as sysdba
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 403772836 bytes
Fixed Size 452004 bytes
Variable Size 184549376 bytes
Database Buffers 218103808 bytes
Redo Buffers 667648 bytes
Database mounted.
Database opened.
SQL> quit
Disconnected from Oracle9i Enterprise Edition Release 9.2.0.6.0 - Production
With the Partitioning and Oracle Data Mining options
JServer Release 9.2.0.6.0 - Production
启动监听：2. lsnrctl start
2.关闭oracle
关闭实例: 1.[oracle@localhost ~]$ sqlplus /nolog
SQL*Plus: Release 9.2.0.6.0 - Production on Tue Apr 14 14:51:45 2009
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> connect /as sysdba
Connected.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> exit
Disconnected from Oracle9i Enterprise Edition Release 9.2.0.6.0 - Production
With the Partitioning and Oracle Data Mining options
JServer Release 9.2.0.6.0 - Production