Verifying Operating System Patches on Oracle Solaris 10
To check if your operating system has the required Oracle Solaris 10 patches for installation, run the following command:
Note:
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                           Your system may have more recent versions of the listed patches installed. If a listed patch is not installed, then determine if a more recent version is installed before installing the version listed. 
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                           If an operating system patch is not installed, then download and install it from My Oracle Support. 
Parent topic: Checking the Software Requirements for Oracle Solaris