Inform user about zero-ing root fs and /boot
Inform user about zero-ing root fs and /boot

Better tell users what is going to happen as this takes a while.
Koalephant/debian,dafyddj/debian,grafjo/debian,boxcutter/debian,quarkslab/debian,boxcutter/debian,mafrosis/boxcutter-debian,quarkslab/debian,Koalephant/debian,mafrosis/boxcutter-debian,dafyddj/debian,grafjo/debian