Miles' Blog

天涯何處無幹話，何必要講實務話

tmux

Install

brew install tmux

Command

man tmux                        Commands Manual
tmux list-keys                  lists out every bound key and the tmux command it runs
tmux list-commands              lists out every tmux command and its arguments
tmux show-options -g            show current global session options

Session

tmux                                    create a session, default start with name 0
tmux new -s <session name>              create a session with name
tmux ls                                 list sessions
tmux attach -t <session name>           reattach
tmux kill-session -t <session name>     kill session

Server

tmux kill-server                        kill server and clients, destroy all windows/sessions

Shortcuts

In tmux, hit the prefix ctrl+b (my modified prefix is ctrl+a) and then type key:

Pane

|                   split vertical 
_                   split horizontal

arrows              jump between panes
{                   move the current pane left
}                   move the current pane right

[ + finger swipe    scroll pages

z                   toggle into full-screen
Space               toggle pane layout (直橫切換)
Ctrl + arrows       resize

q                   show pane numbers
d                   detach from session
x                   kill pane

Window

c                   add new Window
&                   kill the current window

<window number>     jump between windows

Session

s                   show session list/ switch session
$                   rename

Misc

?  list shortcuts
:  prompt mode

Custom hotkeys

vim ~/.tmux.conf

# set the prefix to ^a.
unbind C-b
set -g prefix ^a
bind a send-prefix

# Binding a key for “last-window”
bind-key C-a last-window

# pane splitting
unbind % # Remove default binding since we’re replacing
bind-key | split-window -h
bind-key _ split-window

# vi-style controls for copy mode
setw -g mode-keys vi

# Highlight active window
set-window-option -g window-status-current-bg yellow

# Automatically set window title
setw -g automatic-rename

# Set window notifications
setw -g monitor-activity on
set -g visual-activity on

# Set status bar
set -g status-bg cyan

# Enable scroll pane under cursor on mouse up and enter copy mode
set-option -g mouse on
bind-key -T root WheelUpPane select-pane -t =\; copy-mode -e\; send-keys -M

# Enable copying using Cmd+C in copy mode
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe "reattach-to-user-namespace pbcopy"

# Increase scrollback buffer (default is 2000)
set-option -g history-limit 60000

Just remember that after every modification, tmux must be refreshed to take new settings into account.
This can be achieved either by restarting it or by typing in:

tmux source-file .tmux.conf

References

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