http://idk.i2p/lb-docs/live-manual/customizing-package-installation.en.html
This allows you to experiment with different combinations of sets of packages with a minimum of fuss, sharing common lists between different live image projects. 411 Package lists that exist in this directory need to have a .list suffix in order to be processed, and then an additional stage suffix, .chroot or .binary to indicate which stage the list is for. 412 Note: If you don't specify the stage suffix, the list will be used for both stages.