can I use the hd file I used when I was using a live cd

can I use the hd file I used when I was using a live cd? When you have knoppix 4..... you have the option of nesting your installed programs and changes to a airea that way I could make all the changes and try it out with the live cd then when everythings ready and lan works and all I can remaster a cd. Becouse as is my wireless USB by berklin doesnt work that needs installed stuff and I have a Gforce 6800 w 256 megs of ram on it 512m ram on system and wanted to make shure their all used before I remaster knoppix with clustering, blender, common things JDK, and eclipse.

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