I realised yesterday that since getting my Mac six months or so ago, I have never backed up. I heard the backup utility was called Time Machine... but I have some questions about it before I use it. 1. What does it backup? Just the files in your home folder or your entire system, operating system, apps and user settings? Can you choose between the two or a setting in-between the two? 2. Can you backup onto any hard drive or do you have to have a time capsule? Is it possible to backup onto an iPod? 3. Is it possible encrypt your backup and/or put a password on it? 4. Does it compress your files into one file or is it just an automated way of copying and pasting? Thanks for your answers in advance.