Instead of going at the HD with a chisel, why not turn journaling off? But then the "unplug your computer" trick my cause you to lose some important data -- which I suppose is the reason for the floppies.
Or better yet, just don't get hacked. Now, back to working on my C++ project for school...
cd "Project 4"
# sings a song falalalalala...
-- BOOM!!! --
I should've listened to anonymous. :'(