How to delete/remove Oracle Enterprise Manager Console in 10GR2 on Linux

Linux Oracle 10gr2

Dropping OEM repository through EMCA command.

Example:

-bash-3.00$ set ORACLE_SID=orcl

-bash-3.00$ emca -deconfig dbcontrol db -repos drop

STARTED EMCA at Sep 12, 2011 4:35:56 PM

EM Configuration Assistant, Version 10.2.0.5.0 Production

Copyright (c) 2003, 2009, Oracle.  All rights reserved.

Enter the following information:

Database SID: orcl

Listener port number: 1521

Password for SYS user:

Password for SYSMAN user:

----------------------------------------------------------------------

WARNING : While repository is dropped the database will be put in quiesce mode.

----------------------------------------------------------------------

Do you wish to continue? [yes(Y)/no(N)]: y

Sep 12, 2011 4:36:15 PM oracle.sysman.emcp.EMConfig perform

INFO: This operation is being logged at /db/app/oracle/Db_1/cfgtoollogs/emca/orcl/emca_2011-09-12_04-35-56-PM.log.

Sep 12, 2011 4:36:17 PM oracle.sysman.emcp.util.DBControlUtil stopOMS

INFO: Stopping Database Control (this may take a while) ...

Sep 12, 2011 4:36:37 PM oracle.sysman.emcp.EMReposConfig invoke

INFO: Dropping the EM repository (this may take a while) ...

Sep 12, 2011 4:36:37 PM oracle.sysman.emcp.EMReposConfig dropRepository

INFO: Dropping the EM repository (this may take a while) ...

Sep 12, 2011 4:39:05 PM oracle.sysman.emcp.EMReposConfig invoke

INFO: Repository successfully dropped

Enterprise Manager configuration completed successfully

FINISHED EMCA at Sep 12, 2011 4:39:05 PM

NOTE: 

1. Do this operation in off peak hours.

2. This command only work beginning with 10.2.0.4.0 or later version of oracle.