Screen multiplexes a physical terminal between several shells.

Add

shell -bash
bindkey -d ^@ stuff ^H

to ~/.screenrc or to /etc/screenrc to automatically get a login shell and to enable the Backspace key. Login source, Backspace source

C-a c     Establish a new window
C-a n     next window
C-a p     provious window
C-a "     window list
C-a K     kill current window

C-a S     Split the current region horizontally into two new ones
C-a |     Split the current region vertically into two new ones
C-a <Tab> Move the input focus to the next region
C-a c     Establish a new window (in the new region)

C-a [     Enter copy/scrollback mode. Scroll with arrow keys
C-a ]     Paste

Establish serial connection with eg: screen /dev/ttyUSB1 115200

See also: Window Types

• Einführung in Screen
• Screen User's Manual