bauer-power.net —DIRMS used to be a free command line defrag utility that you could use to script scheduled hard drive de-fragmentation. The new version isn't free, but this article shows you where to get the original freeware version.
Digg is a place for people to discover and share content from anywhere on the web. Digg surfaces the best stuff as submitted and voted on by the community. Take the Tour to learn more.