Oracle Enterprise Manager 11g Database Control Release 11.2.0.2.0 
Copyright (c) 1996, 2010 Oracle Corporation.  All rights reserved.
   Oracle Enterprise Manager 10g Database Control commands:
        emctl start | stop dbconsole
        emctl status | secure | setpasswd dbconsole
        emctl config dbconsole -heap_size <size_value> -max_perm_size <size_value>
       emctl status agent
       emctl status agent -secure [-omsurl <http://<oms-hostname>:<oms-unsecure-port>/em/*>]
       emctl getversion
       emctl reload | upload | clearstate | getversion agent
       emctl reload agent dynamicproperties [<Target_name>:<Target_Type>]....
       emctl config agent <options>
       emctl config agent updateTZ
       emctl config agent getTZ
       emctl resetTZ agent
       emctl config agent credentials [<Target_name>[:<Target_Type>]]
       emctl gensudoprops
       emctl clearsudoprops
 Blackout Usage : 
       emctl start blackout <Blackoutname> [-nodeLevel] [<Target_name>[:<Target_Type>]].... [-d <Duration>]
       emctl stop blackout <Blackoutname>
       emctl status blackout [<Target_name>[:<Target_Type>]]....

The following are valid options for blackouts
<Target_name:Target_type> defaults to local node target if not specified.
If -nodeLevel is specified after <Blackoutname>,the blackout will be applied to all targets and any target list that follows will be ignored.
 Duration is specified in [days] hh:mm

        emctl getemhome
        emctl ilint
Em Key Commands Usage : 
emctl config emkey -emkeyfile <emkey.ora path> [-force] [-sysman_pwd <sysman password>]
emctl config emkey -emkey [-emkeyfile <emkey.ora path>] [-force] [-sysman_pwd <sysman password>]
emctl config emkey -repos [-emkeyfile <emkey.ora path>] [-force] [-sysman_pwd <sysman password>]
emctl config emkey -remove_from_repos [-sysman_pwd <sysman password>]
emctl config emkey -copy_to_repos [-sysman_pwd <sysman password>]
emctl status emkey [-sysman_pwd <sysman password>]

Secure DBConsole Usage : 
emctl secure dbconsole -sysman_pwd <sysman password> [-passwd_file <abs file loc>]
        [-host <slb hostname>] [-sid <service name>] [-reset] [-secure_port <secure_port>]
        [-cipher_suites <comma_separated_list_of_suites>]
        [-root_dc <root_dc>] [-root_country <root_country>] [-root_state <root_state>] [-root_loc <root_loc>]
        [-root_org <root_org>] [-root_unit <root_unit>] [-root_email <root_email>]
        [-wallet <wallet loc>] [-wallet_pwd <wallet pwd>] [-trust_certs_loc <certs loc>]
emctl secure status dbconsole
 Register Targettype Usage : 
emctl register oms targettype [-o <Output filename>] <XML filename> <rep user> <rep passwd> <rep host> <rep port> <rep sid> OR 
emctl register oms targettype [-o <Output filename>] <XML filename> <rep user> <rep passwd> <rep connect descriptor> 

[oracle@localhost ~]$ 

emctl reload agent