learn more about arm computers

We are using a large.arm in tokyo. What does that mean fully?

update our emacs.sh org file

When i tried to install, I found that I needed:

git
emacs-snapshot
I was continuing to have issue cos I have a debian box, and the script was meant for ubuntu, specifically ubuntu bionic. And so if i wanna kedep going on this box, I will need to remake the script to work for debian