OraclebyDBA

Opatch Utility: The OPatch utility is located in the /OPatch directory. You can run it with various commands and options. The following command shows the syntax for the OPatch utility:

/opatch [-options]
OPatch Commands

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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.

nrollback: Removes n number of patches (hence nrollback). Refer to "nrollback Command" for more information.

version: Prints the current version of the patch tool. Refer to "version Command" for more information.