After you have installed OEM Cloud Control 13c, you should know how to start and stop the OEM
components. Here I will explain the sequence of starting and stopping OEM 13c
components and same steps could be used for starting and stopping OEM cloud
control 12c. For this example, my $ORACLE_HOME (OEM repository database home)
is /u01/app/oracle/product/12.1.0/db, $OMS_HOME is /u01/software/em/middleware,
and $AGENT_HOME is