can't login as anyone - not even as root!

[Charles Howse]

> All of a sudden, I can't login, even as root. I tried to set the 
> password of root to nil (because I happened to be logged in as root at
> the time) and that didn't work either.
> 
> Then, thinking that the machine was acting up, I rebooted. 
> Now I am in 
> deeper. I can't even access the machine.
> 
> Any idea why this would happen, or more important, how I can get out?

This is a frequent question, don't panic, see link below.

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/admin.html#FORGOT-R
OOT-PW