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1. Boot with Knoppix live disk or usb
2. Open a terminal window in Knoppix
3. Type “sudo sfdisk -l” to see what your Windows disk is mounted as (example – sda1)
4.  Then navigate to the Windows folder of that drive (sda1 in this example): “cd /media/sda1/Windows/System32/config”
5. Then Type “sudo chntpw SAM”  – and from there you can Clear password, Edit Password, Promote User and unlock accounts
   1. Note: if chntpw is not on your Knoppix version, just issue this command “sudo apt-get install chntpw” and repeat step 5
6. Type “q” for quit and save the SAM file

Advanced

• To list all the users you can change the password on do “sudo chntpwd -l SAM” before step 5 above
• Then you can change a specific user by typing sudo chntpwd -u “Username” SAM – where Username is the actual username

1. Boot with Knoppix live disk or usb
2. Open a terminal window in Knoppix
3. Type “sudo sfdisk -l” to see what your disk (that you want to wipe) is mounted as (example – sda1)
4. Type “sudo shred -vfz -n 100 /dev/sda1” – IMPORTANT – Substitute the disk name learned from above command.  Note that the 100 is the number of passes (and can be changed)