Tmux Cheat Sheet

A practical tmux cheatsheet for daily use. Covers essential commands for session control, window switching, pane splitting, and other common tasks.

Tmux Architecture Overview

TMUX SERVER
SESSION: dev
WINDOW 1: editor
Pane 1
Pane 2
WINDOW 2: server
Single Pane
SESSION: logs
WINDOW 1: monitor
Pane 1
Pane 2
Pane 3
Client 1
Client 2
Detached

Tmux Terminology

Server
The background process that manages tmux sessions. A single server can manage multiple sessions.
Session
A collection of windows under a single name. Sessions can be detached (running in background) or attached (displayed in a terminal).
Window
Similar to a tab in a browser, each window occupies the entire terminal screen and can be divided into panes.
Pane
A rectangular division of a window running a single shell or program. Multiple panes can be displayed simultaneously.
Client
A terminal connected to a tmux session. Multiple clients can be attached to the same session simultaneously.
Prefix Key
The key combination (usually Ctrl+b) that signals to tmux that the next keystroke is a tmux command.

Common Pane Layouts Visualized

Even-Horizontal

1
2
3
C-b Alt+1

Even-Vertical

1
2
3
C-b Alt+2

Main-Horizontal

1
2
3
C-b Alt+3

Main-Vertical

1
2
3
C-b Alt+4

Tiled

1
2
3
4
C-b Alt+5

Mouse Navigation Tips

Enable Mouse Support for Easy Navigation

If you don't use tmux often, enabling mouse support makes it much easier to interact with tmux without memorizing keyboard shortcuts.

$cat .tmux.conf
setw -g mouse on

1 Right-Click Context Menu

Holding the right mouse button brings up a context menu with options for horizontal split, vertical split, and more.

2 Click to Switch Panes

Simply click on any pane to make it active — no need to remember pane navigation shortcuts.

3 Scroll with the Mouse Wheel

Mouse wheel scrolling works natively in panes, automatically switching to copy mode when scrolling.

Essential Commands

The basic shortcuts you need to know to start using tmux effectively

Session Management

  • tmux

    Start a new session

  • tmux new -s name

    Start a new named session

  • tmux ls

    List all sessions

  • tmux a

    Attach to last session

  • tmux a -t name

    Attach to specific session

  • C-b d

    Detach from current session

    C-b means Ctrl+b

  • C-b $

    Rename current session

Window Operations

  • C-b c

    Create a new window

  • C-b ,

    Rename current window

  • C-b n

    Move to next window

  • C-b p

    Move to previous window

  • C-b w

    List all windows

  • C-b 0-9

    Switch to window number 0-9

  • C-b &

    Kill current window

Pane Operations

  • C-b %

    Split pane vertically

  • C-b "

    Split pane horizontally

  • C-b ←↑→↓

    Navigate between panes

    Arrow keys

  • C-b o

    Go to next pane

  • C-b z

    Toggle pane zoom

  • C-b x

    Kill current pane

  • C-b Ctrl+←↑→↓

    Resize pane

    Hold Ctrl and press arrow keys

Copy Mode & Scrolling

  • C-b [

    Enter copy mode

  • q

    Exit copy mode

    When in copy mode

  • PgUp/PgDown

    Scroll page up/down

    When in copy mode

  • ←↑→↓

    Move cursor

    When in copy mode

  • Space

    Start selection

    When in copy mode

  • Enter

    Copy selection

    When in copy mode

  • C-b ]

    Paste copied text

Session Management

How to start, attach to, and manage your tmux workspaces

Command Line Management

  • tmux

    Start a new tmux session

    Creates unnamed session

  • tmux new -s mysession

    Start a new named session

    Replace "mysession" with your session name

  • tmux new -s mysession -n mywindow

    Start a new session with a named window

  • tmux attach

    Attach to the most recently used session

  • tmux attach -t mysession

    Attach to a specific session by name

  • tmux ls

    List all running sessions

  • tmux kill-session -t mysession

    Kill/delete a specific session

  • tmux kill-server

    Kill the tmux server and all sessions

    Use with caution - terminates all sessions

  • tmux switch -t mysession

    Switch to a specific session (from within tmux)

  • tmux rename-session -t old-name new-name

    Rename a session from outside tmux

Key Bindings

  • C-b d

    Detach from current session

    Session continues running in background

  • C-b $

    Rename current session

    Shows prompt to enter new name

  • C-b )

    Switch to next session

    Cycles through available sessions

  • C-b (

    Switch to previous session

    Cycles through available sessions

  • C-b s

    Show session list

    Interactive session browser

  • C-b D

    Choose client to detach

    Useful when multiple clients attached

  • C-b :new -s name

    Create new session

    Uses command mode to create session

  • C-b L

    Switch to last session

    Requires custom keybinding in .tmux.conf

Window Controls

How to create and organize multiple terminal windows in tmux

Basic Operations

  • C-b c

    Create a new window

    Added at the end of the list

  • C-b ,

    Rename current window

    Enter new name when prompted

  • C-b &

    Kill current window

    Prompts for confirmation

  • C-b w

    List all windows

    Shows interactive window list

  • C-b f

    Find window by name

    Enter part of window name to search

Window Navigation

  • C-b n

    Next window

  • C-b p

    Previous window

  • C-b l

    Last active window

    Toggle between current and previous

  • C-b 0-9

    Go to window number 0-9

  • C-b '

    Go to window by index

    Prompts for window index

Window Arrangement

  • C-b .

    Move window to index

    Prompts for new index

  • C-b :

    Enter command mode

    Type "swap-window -t <target>" to swap windows

  • C-b {

    Swap with previous window

    Custom binding in .tmux.conf

  • C-b }

    Swap with next window

    Custom binding in .tmux.conf

Command Line Management

  • tmux new-window

    Create a new window

  • tmux new-window -n name

    Create a new window with specified name

    Replace "name" with your window name

  • tmux select-window -t :0-9

    Select window by index (0-9)

  • tmux select-window -t :name

    Select window by name

  • tmux rename-window "new name"

    Rename current window

  • tmux kill-window

    Kill current window

  • tmux list-windows

    List all windows in current session

Pane Operations

How to split your terminal into multiple views and work with them

Creation

  • C-b %

    Split pane vertically (left/right)

  • C-b "

    Split pane horizontally (top/bottom)

  • C-b !

    Convert pane into a window

    Creates a new window with this pane

  • C-b x

    Kill (close) the current pane

Navigation

  • C-b ↑↓←→

    Move between panes in the indicated direction

  • C-b o

    Go to next pane (cycle through all panes)

  • C-b ;

    Go to the previously active pane

  • C-b q

    Show pane numbers (press number to jump to that pane)

    Numbers appear briefly - press the number key quickly

  • C-b z

    Toggle zoom (maximize/restore) current pane

Resizing

  • C-b C-↑↓←→

    Resize current pane in the indicated direction

    Hold Ctrl while pressing arrow keys after prefix

  • C-b Alt+↑↓←→

    Resize panes in steps of 5 cells

    Hold Alt (Meta) while pressing arrow keys after prefix

  • C-b :resize-pane -D 10

    Resize down by 10 cells

    Can use -U (up), -L (left), -R (right)

  • C-b {

    Swap current pane with the previous pane

  • C-b }

    Swap current pane with the next pane

Layouts

  • C-b space

    Cycle through preset layouts

  • C-b Alt+1

    Switch to even-horizontal layout

  • C-b Alt+2

    Switch to even-vertical layout

  • C-b Alt+3

    Switch to main-horizontal layout

  • C-b Alt+4

    Switch to main-vertical layout

  • C-b Alt+5

    Switch to tiled layout

Copy Mode & Scrollback

How to scroll, search, and copy text from your terminal history

Basic Operations

  • C-b [

    Enter copy mode

  • q

    Exit copy mode

  • C-b ]

    Paste copied text

    Paste content after copying

Navigation

  • ↑, ↓, ←, →

    Move cursor

    In vi mode: h, j, k, l

  • PgUp, PgDn

    Scroll up/down one page

  • g

    Go to top of buffer

    In vi mode: gg

  • G

    Go to bottom of buffer

    In vi mode: G

  • H, M, L

    Move to top/middle/bottom of screen

  • w, b

    Move forward/backward one word

  • 0, ^, $

    Start/first non-space/end of line

Selection & Copying

  • Space

    Start selection

    In vi mode: v

  • Enter

    Copy selection and exit copy mode

    In vi mode: y

  • Esc

    Clear selection

  • A

    Append selection to buffer

  • R

    Rectangle toggle (block selection)

    In vi mode: C-v

Search

  • /

    Forward search

    Type text and press Enter

  • ?

    Backward search

    Type text and press Enter

  • n

    Next search match

  • N

    Previous search match

  • C-r

    Incremental reverse search

    Vim-style

  • C-s

    Incremental forward search

    Vim-style

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