Tmux

Tmux is a terminal multiplexer that allows you to switch between multiple terminal sessions and windows.

Basic Commands

Command	Description
tmux	Start a new tmux session
tmux new -s name	Start a new session with name
tmux ls	List all tmux sessions
tmux a	Attach to the last session
tmux a -t name	Attach to a session with name
tmux kill-session -t name	Kill session with name
exit or Ctrl+A d	Detach from current session

Session Management

Command	Description
Ctrl+A $	Rename current session
Ctrl+A d	Detach from session
Ctrl+A s	List sessions
Ctrl+A (	Move to previous session
Ctrl+A )	Move to next session

Window Management

Command	Description
Ctrl+A c	Create new window
Ctrl+A ,	Rename current window
Ctrl+A &	Kill current window
Ctrl+A n	Move to next window
Ctrl+A p	Move to previous window
Ctrl+A 0-9	Switch to window 0-9
Ctrl+A w	List windows
Ctrl+A f	Find window
Ctrl+A .	Move window to another session

Pane Management

Command	Description
Ctrl+A "	Split pane horizontally
Ctrl+A %	Split pane vertically
Ctrl+A arrow	Navigate between panes
Ctrl+A o	Cycle through panes
Ctrl+A q	Show pane numbers
Ctrl+A q 0-9	Switch to pane by number
Ctrl+A z	Toggle pane zoom
Ctrl+A !	Convert pane into window
Ctrl+A x	Kill current pane
Ctrl+A }	Swap with next pane
Ctrl+A {	Swap with previous pane
Ctrl+A Ctrl+arrow	Resize pane
Ctrl+A Alt+arrow	Resize pane (5 cells at a time)
Ctrl+A spacebar	Toggle between pane layouts

Copy Mode

Command	Description
Ctrl+A [	Enter copy mode
Ctrl+A ]	Paste buffer
q	Quit copy mode
Space	Start selection (in copy mode)
Enter	Copy selection (in copy mode)
/	Search forward (in copy mode)
?	Search backward (in copy mode)
n	Next search match
N	Previous search match

Miscellaneous

Command	Description
Ctrl+A :	Enter command mode
Ctrl+A t	Show clock
Ctrl+A ?	List all key bindings
Ctrl+A ~	Show messages
Ctrl+A i	Show session info
Ctrl+A r	Reload tmux configuration

Common Configuration (for your .tmux.conf)

# Remap prefix from Ctrl+B to Ctrl+A
unbind C-b
set-option -g prefix C-a
bind-key C-a send-prefix

# Split panes using | and -
bind | split-window -h
bind - split-window -v
unbind '"'
unbind %

# Reload config file
bind r source-file ~/.tmux.conf \; display "Config reloaded!"

# Enable mouse mode
set -g mouse on

# Don't rename windows automatically
set-option -g allow-rename off

# vim-like pane navigation
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Set 256 colour terminal
set -g default-terminal "screen-256color"

# Start window numbering at 1
set -g base-index 1
setw -g pane-base-index 1

# Increase scrollback buffer size
set -g history-limit 10000

# Enable vi mode
setw -g mode-keys vi

Useful Plugins (with TPM - Tmux Plugin Manager)

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-resurrect'  # Save/restore sessions
set -g @plugin 'tmux-plugins/tmux-continuum'  # Auto save sessions
set -g @plugin 'tmux-plugins/tmux-yank'       # Better copy/paste
set -g @plugin 'dracula/tmux'                 # Dracula theme

# Initialize TMUX plugin manager
run '~/.tmux/plugins/tpm/tpm'

Plugin Shortcuts

Command	Description
Ctrl+A I	Install plugins
Ctrl+A U	Update plugins
Ctrl+A Alt+u	Uninstall unused plugins
Ctrl+A Ctrl+s	Save session (with tmux-resurrect)
Ctrl+A Ctrl+r	Restore session (with tmux-resurrect)