If you have used Knoppix for any extended period of time, chances are you eventually thought about customizing it. You might have simply wanted to make cosmetic changes with a new background and a different theme, or you might have wanted to add programs, change what happens at startup, or make any number of more-intensive changes.
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Well, you aren't alone. There are more than a hundred different Knoppix-based live CDs in existence. Some have changed only a few tools, and others have performed a complete overhaul of the programs, the themes and even the file structure.