http://www.ibiblio.org/harris/500milemail.html
http://www.ee.ryerson.ca:8080/~elf/hack/recovery.html
It's also included in the Unix Administration Horror Stories, which was posted here recently-ish. But it's more just tails of people screwing up in creative ways. http://www.yak.net/carmen/unix_horror_stories
http://www.ibiblio.org/harris/500milemail.html