🔗TMUX CHEATSHEET (PREFIX: C-b)

🔗SERVER AND CLIENTS

Command / Binding	Description
`tmux`	start new unnamed session
`tmux -L <socket> new`	start server with isolated custom socket
`tmux -S /path/to/sock`	start server with specific socket path
`tmux kill-server`	kill server and all attached sessions
`tmux list-clients`	show all connected users/clients
`tmux detach-client -a`	detach all clients except the current one
`tmux suspend-client`	suspend the current client
`C-b d`	detach from current session
`C-b D`	choose which client to detach interactively

Command / Binding	Description
`tmux new -s <name>`	start new named session
`tmux new -s <name> -d`	start session in background (detached)
`tmux new -s <name> -c <dir>`	start session with specific working directory
`tmux new -t <target> -s <name>`	create grouped session (shared windows)
`tmux a`	attach to most recently used session
`tmux a -t <name>`	attach to named session
`tmux a -d -t <name>`	detach others, then attach to session
`tmux ls`	list active sessions
`tmux rename-session -t <old> <new>`	rename session from cli
`tmux kill-session -t <name>`	kill specific session
`tmux kill-session -a`	kill all sessions except current
`C-b s`	interactive session tree (switch/kill)
`C-b $`	rename current session
`C-b (` / `C-b )`	switch to previous / next session
`C-b L`	switch to last used session

Command / Binding	Description
`C-b c`	new window (inherits cwd)
`C-b ,`	rename current window
`C-b n` / `C-b p`	next / previous window
`C-b 1-9`	go to window by index (base 1)
`C-b w`	interactive window list
`C-b &`	kill window (prompts)
`C-b .`	move window to new index interactively
`C-b f`	find window by name
`tmux new-window -n <name>`	create named window from cli
`tmux select-window -t <name>`	switch to specific window
`tmux move-window -s <src> -t <dst>`	move window to new index or session
`tmux swap-window -s <1> -t <2>`	swap positions of two windows
`tmux link-window -s <src> -t <dst>`	link window so it appears in two sessions

Command / Binding	Description
`C-b -`	split horizontal (pane below, inherits cwd)
`C-b \|`	split vertical (pane right, inherits cwd)
`C-b h/j/k/l`	navigate left/down/up/right
`C-b H/J/K/L`	resize left/down/up/right by 5 (repeatable)
`C-b z`	toggle zoom (fullscreen pane)
`C-b x`	kill current pane (prompts)
`C-b !`	break pane out into its own new window
`C-b {` / `C-b }`	swap pane with previous/next
`C-b Space`	cycle through layout presets
`C-b q`	show pane indices (press number to jump)
`C-b m` / `C-b M`	mark pane for join/swap operations / clear mark
`C-b S`	toggle synchronise-panes (send keys to all)
`tmux split-window -h -p 30`	split vertically, new pane takes 30% width
`tmux split-window -v -l 20`	split horizontally, new pane is 20 lines high
`tmux split-window -f -h`	split vertically, span full window height
`tmux join-pane -s <src> -t <dst>`	move pane from source window to target window
`tmux swap-pane -s <src> -t <dst>`	swap specific panes
`tmux select-layout main-vertical`	force specific layout

Command / Binding	Description
`C-b [`	enter copy mode
`C-b PgUp`	enter copy mode and scroll up
`h`, `j`, `k`, `l`	navigate cursor
`w`, `b`, `e`	word forward, back, end of word
`0`, `$`	start of line, end of line
`g`, `G`	top of buffer, bottom of buffer
`Ctrl-u`, `Ctrl-d`	page up, page down
`/`, `?`	search forward, search backward
`n`, `N`	next match, previous match
`v`	begin character selection
`V`	begin line selection
`Ctrl-v`	toggle block/rectangle selection
`o`	swap cursor to other end of selection
`y`	copy to wayland clipboard (wl-copy) & exit
`q` / `Escape`	exit copy mode
`C-b ]`	paste from most recent tmux buffer
`C-b =`	choose buffer interactively to paste
`C-b -`	delete most recent buffer
`C-b #`	list all paste buffers
`tmux show-buffer`	print most recent buffer to stdout
`tmux save-buffer <file>`	write paste buffer to disk
`tmux set-buffer "text"`	inject text into tmux buffer
`tmux delete-buffer -b <name>`	delete specific buffer

Command / Binding	Description
`C-b :`	enter command mode
`C-b r`	reload ~/.tmux.conf
`C-b ?`	list all key bindings
`tmux set -g <option> <value>`	set global session option
`tmux set -s <option> <value>`	set server option
`tmux set -w <option> <value>`	set window option
`tmux set -p <option> <value>`	set pane option
`tmux show-options -g`	view all global options
`tmux show-environment`	view variables passed to tmux
`tmux set-environment <var> <val>`	set environment variable for new panes

Binding	Description
`C-b I`	install plugins listed in config
`C-b U`	update all installed plugins
`C-b Alt-u`	uninstall plugins removed from config
`C-b Ctrl-s`	save session state manually (resurrect)
`C-b Ctrl-r`	restore session state manually (resurrect)

Command	Description
`tmux send-keys -t <target> "cmd" Enter`	send arbitrary keystrokes to pane
`tmux capture-pane -p -t <target>`	print pane scrollback to stdout
`tmux capture-pane -p -S -100`	print last 100 lines of pane
`tmux pipe-pane -t <target> "cat > log"`	stream pane output to file
`tmux display-message -p "#{session_name}"`	print formatted variable to stdout
`tmux wait-for -S <channel>`	signal a wait channel
`tmux wait-for <channel>`	block script until channel signalled
`tmux if-shell "condition" "cmd"`	run tmux command conditionally
`tmux set-hook -g after-new-window "cmd"`	execute command automatically on event