we need help on extraction of ISO from CD!!

we are encountering the following error while extracting an ISO image from Knoppix CD.somebody help!! $ extract_compressed_fs /cdrom/KNOPPIX/KNOPPIX > /knx/source/first.iso 30369 blocks of size 65536. preamble: #!/bin/sh #V2.0 Format modprobe cloop file=$0 && mount -r -t iso9660 /dev/cloop/ $1 ex

How to -- debian distribution CD...

We would like to know if there is any way by which we can create an debian distro ISO which contains packages of our choice. On debian site there r basically 2 ways defined:   1.Downloading the whole ISO (650 MB) using jigdo or bittorrent. But the problem is jigdo downloads only standard available