Task: Question Answering
Input (English): Context : Knoppix (/knɒpɪks/ KNOP-iks), often styled KNOPPIX, is an operating system based on Debian designed to be run directly from a CD / DVD (Live CD) or a USB flash drive (Live USB), one of the first of its kind for any operating system. 
Question : Which is the basis of Knoppix?
Output (English): Debian