Greetings, Jeffery.
The cheatcodes in the non-Adriane EN version of Knoppix 7.6.0 LiveDVD are contained at /mnt-system/KNOPPIX/knoppix-cheatcodes/txt.
Text says v7.5, I know.
Also, you can always use locate to find a file of a mounted system. May need to sudo updatedb first.
HTH