You can use one of the below methods to clone the Oracle installation: But cloning is not possible across the platforms. You can patch Oracle home using OPatch and you can remove using the Oracle universal installer. Note that the clone installation behaves the same as source installation.
If you need to quickly deploy an instance and the applications. If you need to create Oracle home and deploy it to many hosts. To create an installation that is the same as Production for Development/Testing purpose. If you need to create a new installation with many patches, then cloning enables you to create a new installation with all patches applied to it in one step and eliminate manual installation. In the next steps, I’ll explain why it’s useful and the processes involved. When it comes to a server upgrade or migration, database administrators will have to question whether to clone or install the Oracle binaries. The cloning process works by copying all files from the source Oracle home to the destination Oracle home, and files which are not part of the source instance will not be copied to the destination location. 
The source and destination servers should have same configuration and packages installed in order Oracle cloning to work. Starting from 10g onwards, Oracle supports cloning and users can easily clone existing Oracle installations.
Cloning is similar to an Oracle installation except Oracle universal installation performs the actions in a special mode called “clone mode”. Cloning is a process of copying an existing installation to a different server or location.
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