Perform the following steps to verify the Oracle installation.
Verify that the oracle user and the dba group own the $ORACLE_HOME/bin/oracle directory.
Verify that the $ORACLE_HOME/bin/oracle permissions are set as follows.
-rwsr-s--x |
Verify that the listener binaries exist in the $ORACLE_HOME/bin directory.
When you have completed the work in this section, go to "Creating an Oracle Database".