Securing Your TiBook (or Any Other Mac OS X Machine)
Subject:   nvram to change the password
Date:   2003-04-23 10:17:40
From:   idarwin
Response to: nvram to change the password

>you should not try to set the password using
>nvram, as it will create a "world" called password.

(Er, that's word, not world :-)).

AFAIK you can only set the password by booting into OF at the mac, or by running the GUI-based program Apple supplies.