Quote Originally Posted by user unknown
'Knoppix' is a proper noun, and eo ipso: a noun.
A Knoppix-OS is like a Mercedes-Caravan and a Knoppix-disk is like an Addidas-shoe.
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But "Adidas" come in pairs. If you lost the left one, wouldn't the remaining right one be an "Adida"? Or, perhaps if it's a Latin root, perhaps the pair should rightfully be "Adida", and the remaining shoe an "Adidum"

jd