Split screen.txt

View > Layout to enable Split screen [[obj\Split screen.png]]
Default keybinding
    alt+shift+2  for 2-screens  alt+shift+3 for 3-screens...
        Screens are equally splitted by default.
        Change by edit Preferences > key binding:
            {
                "keys": ["alt+shift+2"],
                "command": "set_layout",
                "args":
                {
                    "cols": [0.0, 0.5, 1.0],     //screen width is divided by 3 slices at 0; 0.5; 1 * %screenwidth% → actually becomes 2 panes
                    "rows": [0.0, 1.0],
                    "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
                }
            },
    ctrl+1, ctrl+2... to move cursor between screens
    ctrl+shift+2 will move current tab to 2nd sceen, ctrl+shift+3 to 3rd...

(*) Note: To view same file in 2 panes: File → New view into file