$ cd $ORACLE_HOME/rdbms/admin $ sqlplus / as sysdba SQL> @catols
select * from dba_users where username = 'LBACSYS';
select * from dba_views where view_name like 'DBA_SA%';
select * from DBA_REGISTRY where comp_name = 'Oracle Label Security';
$ORACLE_HOME/rdbms/admin/catols.sql
installs Oracle Label Security.