If you don’t have the Ultimate Boot CD in your CD collection, you should. It lives up to its name: its got pretty much everything you need to do maintenance on a computer: hard disk diagnostics, disk wiping tools, partitioning, memory and processor tests…it even has DOS boot disks in case you want to pull out that old DOS version of X-Wing and play it. It comes in handy quite frequently, so download and burn yourself a copy today.