I would like to make changes while running the RAMbooted image, and then save the image to a new permanent image on flash (in case power goes down or something) but without any need to reboot. Will that work? And I don't need, nor want to delete anything from my installed standard Debian system, as...

Boot linux to ram with rsync There is a different approach possible by using the ramdisk and rsync. After performing steps 1 to 3 of the original How-To start with getting rsync: aptitude install rsync Unwrap the current initrd mkdir /tmp/init cp /boot/initrd.img-[KERNEL VERSION] /tmp/init cd /tmp/...