Rescuing a hosed system using only Bash (fakeguido.blogspot.com)

Those are some pretty slick tricks. Too bad the author didn't know how to craft his own ls, cat and other commands using bash builtins and functions, as I wrote here: http://www.h-i-r.net/2009/08/cratered-your-linux-box-here-ar...

I'm definitely adding some of this to my little book of tricks!