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Please accept my congrats for attempting to answer the queries I made.

I note that you have researched the same areas I have visited.

I have assumed the Unionfs material obtained by apt-get install would be uncompressed since that is the normal Debian system. perhaps the result can then be compressed?

In regards the use of Unionfs, I find two descriptions of the use: mount -t unionfs -o dir=/dir0ne:/dirtwo none /combined is one such...

The other which performs with Knoppix is:

su apt-get-update Edit: s/b apt-get update
su apt-get-install (pkg name) Edit s/b apt-get install (etc.

I assume I could run many pkgs with the above statement in root, as many as the ramdisc will accept plus the additional in swap space.

I would expect that the minirt.gz may have to be modified to accept GB sized pkgs list since it is limited in Knoppix CD to 800MB.

Thus if one used the CD burned to a DVD and suitably modified minirt.gz , a large Unionfs download seems possible.

Transferring the large GB sized Unionfs data to HDD would then give the data for compressing the result and generating a KNOPPIX/KNOPPIX file.

The downloading would have to be in stages in order to provide the ~9GB of programs uncompressed which translate to a 4.4GB full-capacity DVD disc.

The whole purpose here is to test the "split" .iso procedure outlined in Knoppix DVD forum which permits the DVD to be fully utilized by employing mapping technique for the KNOPPIX/KNOPPIX.iso and the standard isolinux .iso for the boot portion.

I have 3GB of ram and 2GB of swap to utilize so I would need a couple of loads into Unionfs to obtain the programs.

I have no experience with downloads from Debian and wouldn't know if a given program was included as valid for the 3.8Knoppix Cebit CD kernel 2.6.11.

Asking may get you knowwhere>>>>>>>>>