ZFS: A New File System for Storage Fans

If you were to thoroughly examine the inner workings of an operating system, then there's almost no doubt that you'd have the worst headache of your life once you pulled yourself away from your research. The composition of the components that make up each operating system are highly complex, and unless you're a skilled engineer, you're probably not going to have very much success in fully understanding the intricacies of the overall puzzle.

Check it out at OS Weekly.