For Oracle EBS R12 Enterprise Manager Start and Stop Scripts

Start Script
[oracle@dbsc ~]$ vi em_start.sh
echo '=================================================================='
echo 'Enterprise Manager has been started';date
echo '=================================================================='
source /u01/oracle/proddb/11.2.0/DEVE_dbsc.env
emctl start dbconsole
echo '=================================================================='

Stop Script

[oracle@dbsc ~]$ vi em_stop.sh

echo '=================================================================='

echo 'Enterprise Manager has been stop';date

echo '=================================================================='

source /u01/oracle/proddb/11.2.0/DEVE_dbsc.env

emctl stop dbconsole

echo '=================================================================='