This portal talk about how to rescue your system. Technical language could be used.
Other pages (not available in English yet):
fr/Rescue (in French)
Cannot boot !
Unfortunate partition format
Hard disk problems: super-bloc
Hard disk problems: damaged blocs
Hard disk recovery
Fatal signal 11
Rescue floppy disk
http://www.debian.org/doc/manuals/reference/ch-tips#s-crackroot - forgot root password