PLSQL oralce call shell script .sh issue

chown root $ORACLE_HOME/bin/extjob
chmod 4750 $ORACLE_HOME/bin/extjob

chown root $ORACLE_HOME/rdbms/admin/externaljob.ora
chmod 640 $ORACLE_HOME/rdbms/admin/externaljob.ora

chown root $ORACLE_HOME/bin/jssu
chmod 4750 $ORACLE_HOME/bin/jssu

vi $ORACLE_HOME/rdbms/admin/externaljob.ora


run_user = oracle

run_group = oinstall