.
Another un-advertised new feature in Knoppix 7

Klaus K has included a new 'ramdisk' element in Knoppix 7 for serial
collection of LiveUSB program changes that may be individually compacted
which may then be expanded and added in overlay fashion to the basic
operating system at boot.

A brief description of the use 'ramdisk' to achieve an alternative to
wholesale re-mastering occurs on debian-knoppix at:
http://lists.debian.org/debian-knopp.../msg00005.html