tmux

Sessions

Create a new session

tmux new -s mysession

new is an alias for new-session
-s is short for session-name

Attach to an existing named session

tmux a -t mysession

a is an alias for attach / attach-session
-t is short for target-session
-d may be used to detach other clients

Create (or attach) to a session

tmux new -AD -s test

Creates a new session with a default name
-A attempts to attach to an existing one if it exists
-D will disconnect existing clients

tmux commands

Common commands

There are different keyboard shortcuts once tmux has started.

Regular commands are accessed via tmux chord (ctrl+B) followed by the key-binding.

tmux console commands can be run using the tmux chord followed by :. (ctrl+B:)

Command	Description
%	Splits pane horizontally
”	Split pane vertically
up/down/left/right	Moves pane focus in that direction
c	Creates a new window (tab)
n	Go to next tab
p	Go to previous tab
z	Toggles zooming the current tab
`:detach-client -a`	Detaches all other session clients

Resize commands

Panes can be resized using the :resize-pane command. It accepts -U, -D, -L, -R followed by an account to resize the pane in that direction. For example:

:resize-pane -L 10
:resize-pane -U 20

Sometimes you can also press and hold ctrl+B+arrow to resize the pane in that direction.