Question:
How can I quickly determine what Oracle Critical Patch Updates (CPUs) have been applied to my eHealth server?
Answer:
(Note that if you are on a Windows server you should open a command line interface window and open a Bash shell with the 'bash' command)
Additional Information:
http://dbaranjit.blogspot.com/2013/08/how-to-check-psucpu-patches-applied.html?_sm_au_=iVVr73FPRZtJRNjs