hacker.org

Better to use Bart-PE disk instead. It has included software for cracking any users password, and even put them all blank.

Please refer to : http://www.nu2.nu/pebuilder/

The Mozilla expansion are more than enough to give us one of their best creation:

Mozilla Firefox is the greatest browser ever (for timebeing )

Best Regards

IMHO, just like what Bruce Lee said:
"Knowing is not enough, we must apply. Willing is must enough we must do"

So, better to have then nothing, and better to learn if we don't understand, am i right