How is the file system mounted?

How is the root directory found?

What do directories look like

What info is stored in directories

What's an inode

How do I make a new file

How do I delete a file

What happens when you delete a file that is currently open and being used?

What is the permission scheme

How do soft links work

How do hard links work

How do I get the first byte of a file

How do I find the next block of a file

How do I find some free space

What's the biggest file I can make

How many files can I make

Extents?

Smallest unit of allocation?

Who uses the each file system

Which is better