Point-and-Click Linux LVM Filesystem Workstation Backup, Part 2 - page 2
dar Backup Script and Icon Setup
In case something drastically goes wrong (e.g., with your original filesystem or a backup program crashing), this script unmounts everything and dumps you to a console root prompt, from which you can shut down by entering:
You can download this script here.
Set up the icon as shown in the previous section, using these values:
sudo sh /cdrom/S90knoppix-halt
Copy the file to /home/username/knoppix-mod.