System requirements and certification are described in their own documents.
Refer to the system requirements and certification documentation for information about hardware and software requirements, platforms, databases, and other information. Both of these documents are available on Oracle Technology Network (OTN).
The system requirements document covers information such as hardware and software requirements, minimum disk space and memory requirements, and required system libraries, packages, or patches:
http://www.oracle.com/technetwork/middleware/ias/downloads/fusion-requirements-100147.html
The certification document covers supported installation types, platforms, operating systems, databases, JDKs, and third-party products:
http://www.oracle.com/technetwork/middleware/ias/downloads/fusion-certification-100350.html