After you obtain the patches required for your installation, use the appropriate OPatch commands to verify any patch prerequisites, apply a patch to an Oracle home, and if necessary, roll back the application of a patch.
The following topics provide some examples of using OPatch to patch an Oracle Fusion Middleware installation:
—report
argument to the opatch apply
command.opatch apply
command.opatch napply
command.opatch rollback
command.opatch nrollback
command.