How to view 10053 trace?

To view output from 10053 using the following link one can download software which allows one to review the output from the trace file.

To turn on 10053 trace.
SQL> alter session set events '10053 trace name context forever, level 1';

To review trace 10053
http://jonathanlewis.wordpress.com/2010/04/30/10053-viewer/