"To understand EXT2, we first have to understand the basics of how any file system works. File systems organise files into logical hierarchical structures with directories, links, files, and so on. They organise data on block devices. Many things can be block devices, The file system doesn't know that it's writing to. The device's driver handles that part of it. It's jog is to translate the address of a specific block (or area) to an actual physical location on the drive, ram disk, or network mount.

The default file system in Linux is ext2. That's what this article is going to deal with. Without going into really confusing depths, it will explain how the ext2 file system works. First, alittle history. When linux started out, it used the minix file system. It was built on a minix platform, so this made the abililty to dela with data between the two easier. But minix's file system had severe limitation, especially in paritition size. It wasn't a good solution for the way computers were evolving."

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