Time machine tutorial?

georgia taylor wrote:
I need an overview of Time Machine. I have all this back up and wouldn't have a clue what to do with it if my system crashes.

Can someone please direct me to a "tutorial" .

Yup. The Time Machine Tutorial shows, among other things, how to recover selected items.

You might also want to review these:

Time Machine 101
How to back up and restore your files
Time Machine Features

and perhaps browse the Time Machine - Frequently Asked Questions User Tip at the top of this forum. Item #14 there shows how to restore your entire system if your internal HD fails.

Post back with any other questions you may have.