Question on Filing Systems (oh boy ! )

[Richard]

I know this one is going to be fun...

In Ubuntu... and other...buntu's....
Which filing systems, support this: ie: jfs, reiserFS..etc

Fastest I/O for Small and Large File
Secure Deletion of files and folders ( as in gone forever )
Protection from power outages losing data ( thanks nuke power )
Handling greater than 5000 items in a single folder
De-fragmentation of Hard Drive

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Thanks -
Rich