Pretty much all of them can do this. Set up your init system to not start a GUI. It will give you a text mode login prompt. Configure it to have the typeface a

Pretty much all of them can do this. Set up your init system to not start a GUI. It will give you a text mode login prompt. Configure it to have the typeface and size that you like. Run your editor of choice -- emacs and vim certainly don't need net access. Remember to mount a USB stick to save backup copies every so often.