[zeveb]

I'm with you regarding the value of multiplexing. I don't use it much, but it was really annoying back in the day when one program would block another program's sound.

> Also sometimes it's useful to have a reference manual in one side of the screen and your text editor in the other, or a PDF viewer on one side and a LaTeX editor in the other.

True. An emacs which supported the framebuffer could do this (but GNU emacs currently only supports vt100, X, macOS & Windows, IIRC).

[bandrami]

There are some framebuffer[1] consoles[2] that work really well when you do need to mux outside of X.

[1] https://www.freedesktop.org/wiki/Software/kmscon/

[2] https://code.google.com/archive/p/fbterm/