Quote Originally Posted by ITWombat
Quote Originally Posted by Geoff
No need for boot cds with Linux. Just load up in single user mode and reset the password.
Eh... this can't be right or Linux secuiryt wouldn't be worth spit anywhere outside a server room. Could you imagine having a classroom of Linux boxes and student readers of eduGeek. Nightmare!!!!
As Webman said, Bios passwords.
You can also password the bootloader (well you can with grub).

Any software based security can be easily defeated by physical access. This is why you shouldn't trust your desktops/laptops.