opatch commands

Opatch Commands

http://docs.oracle.com/cd/B16240_01/doc/em.102/e15294/options.htm

apply	Installs an interim patch. Refer to "apply Command" for more information.
napply	Installs n number of patches (hence napply). Refer to "napply Command" for more information.
auto	Applies Oracle Clusterware patches. Refer to "auto Command" for more information.
lsinventory	Lists what is currently installed on the system. Refer to "lsinventory Command" for more information.
query	Queries a given patch for specific details. Refer to "query Command" for more information.
rollback	Removes an interim patch. Refer to "rollback Command" for more information.
version	Prints the current version of the patch tool. Refer to "version Command" for more information.