智能化代理能够监控系统的特定事件并且执行任务（作业）就象你在系统本地一样。事件和作业的结果会被送回控制台，这样可以在一个地方治理所有的系统。
Linux启动OEM：
[root@oracle ~]# su - oracle //切换到oralce用户
[oracle@oracle ~]$ emctl start dbconsole //启动OEM
Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0
Copyright (c) 1996, 2009 Oracle Corporation. All rights reserved.
https://oracle.merry.com:1158/em/console/aboutApplication
Starting Oracle Enterprise Manager 11g Database Control ........... started.
------------------------------------------------------------------
Logs are generated in directory /opt/oracle/product/OraHome/oracle.merry.com_orcl/sysman/log
[oracle@oracle ~]$ emctl status dbconsole //查看OEM状态
Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0
Copyright (c) 1996, 2009 Oracle Corporation. All rights reserved.
https://oracle.merry.com:1158/em/console/aboutApplication
Oracle Enterprise Manager 11g is running. //正在运行中
------------------------------------------------------------------
Logs are generated in directory /opt/oracle/product/OraHome/oracle.merry.com_orcl/sysman/log
Windows 下启动OEM：
只要打开oracle11g的emctl服务就可以
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