PanDebian is a system for making Pandora's Angström and Debian play together. It is not a dual-boot but a chroot; other terms include "extend" or "overlay". It will install a debootstrap-generated chroot of Debian to a loopback file or ext{2,3}-formatted SD card and give you direct access to it (no additional X11 instance, no separate window manager). It has a simple (albeit long, multi-step) installer, and once installed it presents itself as a PND launcher, which loads a menu in the upper-left-hand corner (provided by lxpanel) to access Debian's menu. Read more