TMUX

Highlights

Basics
Extra
- Tips and Tricks
- My .tmux.conf

Basics

<prefix> means Ctrl+b

Outside TMUX Session

To do?	commands
create session and attach	`tmux`
create session foo and attach	`tmux new -s foo`
create detached session foo	`tmux new -s foo -d`
list sessions	`tmux ls`
attach	`tmux attach`
detach (inside tmux session)	`<prefix>+d`
attach to session foo	`tmux attach -t foo`
kill session foo	`tmux kill-session -t foo`
send multiplexer command to session foo	`tmux command -t foo`
run ls in session foo	`tmux send-keys -t foo 'ls' C-m`
run emacs in new window	`tmux new-window emacs`

You can also use the first letter of the Tmux’s argument. For example, tmux a is an alias of tmux attach.

Window Handling

Task	commands
New window	`<prefix>+c`
Next window	`<prefix>+n`
List all windows	`<prefix>+w`
Rename a window	`<prefix>+,`
Previous window	`<prefix>+p`
Find a window	`<prefix>+f`
Kill a window	`<prefix>+&`
Swap window	`<prefix>+<`

Pane Handling

Task	commands
Split panes vertically	`<prefix>+%`
Split panes horizontally	`<prefix>+"`
Toggle last active pane	`<prefix>+;`
Swap panes	`<prefix>+o`
Kill pane	`<prefix>+x`
Show pane numbers	`<prefix>+q`
Move pane left	`<prefix>+{`
Move pane right	`<prefix>+}`
Switching between panes	`<prefix>+<arrow keys>`
To resize the pane	Hold the `<prefix>+<arrow keys>`
Scroll the pane	`<prefix>+[`
Scroll jump	`Alt+<up down arrow keys>`

Extra

Tips and Tricks

Rename the pane

printf '\033]2;%s\033\\' 'title goes here'

My .tmux.conf

######################
### tmux configs   ###
######################

# Using xterm colour notation
# find at https://jonasjacek.github.io/colors/

# To use the emacs theme color presets while using tmux add this: "export TERM=xterm-256color" in .zshrc
# https://stackoverflow.com/questions/7617458/terminal-emacs-colors-only-work-with-term-xterm-256color
set -g default-terminal "xterm-256color"
# To change the prefix
#set -g prefix C-a

# loud or quiet?
#set -g visual-activity off
#set -g visual-bell off
#set -g visual-silence off
#setw -g monitor-activity off
#set -g bell-action none

#  modes
#setw -g clock-mode-colour colour5
#setw -g mode-style 'fg=colour1 bg=colour18 bold'

# panes
#set -g pane-border-style 'fg=colour19 bg=colour0'
#set -g pane-active-border-style 'bg=colour0 fg=colour9'

# statusbar
# ---------
# To make status bar visible or not?
bind-key -n C-F3 set-option -g status #Ctrl+F3 Combo
set -g status-position top
set -g status-justify left
#set -g status-style fg=colour136,bg=colour235
set -g status-style bg=colour235
set -g status-left ''
set -g status-right '#[fg=colour233,bg=colour8] %Y/%m/%d | %H:%M:%S '
set -g status-right-length 50
set -g status-left-length 20

# Current window which I'm now
setw -g window-status-current-style 'fg=colour23 bg=colour2 bold'
setw -g window-status-current-format ' [#I] #[fg=colour8]:#[fg=colour255]#W#[fg=colour249]#F '

# Another window which is in backgroud
setw -g window-status-style 'fg=colour233 bg=colour8'
setw -g window-status-format ' [#I] #[fg=colour250]:#[fg=colour250]#W#[fg=colour244]#F '

# messages
set -g message-style 'fg=colour233 bg=colour8 bold'

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

Permalink at https://www.physicslog.com/cs-notes/tmux
Published on May 28, 2021
Last revised on Jul 2, 2023
References
Official TMUX Docs