It might be possible to get tramp working over a serial line (while still being able to use the same shell, though?), or over telnet, but practically I'd probab

It might be possible to get tramp working over a serial line (while still being able to use the same shell, though?), or over telnet, but practically I'd probably just type "vi" to quickly edit a file. Again, I'm saying that as someone who uses tramp-mode all the time, otherwise.