如何在Oracle10g中启动和关闭OEM

emctl start dbconsole

[oracle@danaly ~]$ emctl start dbconsoleTZ set to PRCOracle Enterprise Manager 10g Database Control Release 10.2.0.1.0  Copyright (c) 1996, 2005 Oracle Corporation.  All rights reserved.http://danaly.hurrray.com.cn:1158/em/console/aboutApplicationStarting Oracle Enterprise Manager 10g Database Control .......................... started. ------------------------------------------------------------------Logs are generated in directory /opt/oracle/product/10.2.0/danaly.hurrray.com.cn_danaly/sysman/log 

emctl stop dbconsole

[oracle@danaly ~]$ emctl stop dbconsoleTZ set to PRCOracle Enterprise Manager 10g Database Control Release 10.2.0.1.0  Copyright (c) 1996, 2005 Oracle Corporation.  All rights reserved.http://danaly.hurrray.com.cn:1158/em/console/aboutApplicationStopping Oracle Enterprise Manager 10g Database Control ......  Stopped. 

[oracle@danaly ~]$ emctlTZ set to PRCOracle Enterprise Manager 10g Database Control Release 10.2.0.1.0  Copyright (c) 1996, 2005 Oracle Corporation.  All rights reserved.Invalid argumentsUnknown command option Usage::    Oracle Enterprise Manager 10g Database Control commands:       emctl start| stop| status| setpasswd dbconsole       emctl secure        emctl set ssl test|off|on em       emctl set ldap     emctl blackout options can be listed by typing "emctl blackout"emctl config options can be listed by typing "emctl config"emctl secure options can be listed by typing "emctl secure"emctl ilint  options can be listed by typing "emctl ilint"emctl deploy  options can be listed by typing "emctl deploy"