tmux - Start tmux.
CTRL + B - Command mode.
% - Split horizontally (left/right).
" - Split vertically (top/bottom).
arrows - Change pane. Resize if holding command.
x - Close pane.
c - New window.
numbers - Change window.
, - Name window.
w - List windows.
. - Move window. Asks for a number.
& - Close window.
[ - Scrolling mode with arrows or PageUp/PageDown. Exit with CTRL + C.
In order to configurate tmux, a tmux.conf file is needed, as it doesn't exist. We can create this with sudo touch /etc/tmux.conf, or sudo touch ~/.tmux.conf for a user specific one.
# Reload config file with CTRL + b + r
bind r source-file /etc/tmux.conf
# Activate mouse (Scrolling, selecting, re-sizing)
set -g mouse on