How to Install Red Hat Linux Desktop version 4?

I want to install Red Hat Linux Desktop version 4. Please tell me the step-by-step installation and which file system will be best for this O/S?
Like in windows, we have NTFS file system(which has very security features).
Is there any such file system in Linux?
Which file system should i use? File system is also very important when you are going to make joomla templates or any kind of web templates as well.

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