On 5/4/2016 10:38 AM, Richard Owlett wrote:
[snip] I've just re-read the complete thread. I found some links that were mentioned when pursuing a similar question. http://www.gnu.org/software/grub/manual/grub.html#Multi_002dboot-manual-config This may be still be relevant although it refers to GRUB 1.98 http://members.iinet.net/~herman546/p20/GRUB2%20Bash%20Commands.html
There is a thread on debian-cd titled "Debian images and USB sticks" [https://lists.debian.org/debian-cd/2016/05/msg00001.html] that has interesting info and links.