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tmux Cheat Sheet in April 2024

Last Updated: 8 April 2024

README.md

Commands

$ tmux
  -u        # UTF8 mode
  -S ~/.tmux.socket

Sessions

$ tmux new
$ tmux new -s session_name

$ tmux attach # Default session
$ tmux attach -t session_name

$ tmux switch -t session_name

$ tmux ls     # List sessions

$ tmux detach

Windows

$ tmux new-window

Help

C-b ?

Scrolling

C-b [       # Enter scroll mode then press up and down

Copy/paste

C-b [       # 1. Enter scroll mode first.
Space       # 2. Start selecting and move around.
Enter       # 3. Press enter to copy.
C-b ]       # Paste

Panes

C-b %       # vert
C-b "       # horiz
C-b hkjl    # navigation
C-b HJKL    # resize
C-b o       # next window
C-b q       # show pane numbers
C-b x       # close pane

C-b { or }  # move windows around

Windows

C-b c       # New window
C-b 1       # Go to window 1
C-b n       # Go to next window
C-b p       # Go to previous window
C-b w       # List all window

Detach/attach

C-b d       # Detach
C-b ( )     # Switch through sessions
$ tmux attach

Niceties

C-b t    # Time

Status formats

setw -g window-status-format `#[fg=8,bg=default]#I`

See message-command-style in the man page.

Attribute/colors

| #[fg=1] | standard color |
| #[fg=yellow] | yellow |
| #[bold] | bold |
| #[fg=colour240] | 256 color |
| #[fg=default] | default |
| #[fg=1,bg=2] | combinations |
| #[default] | reset |

Colors

  • black red green yellow blue magenta cyan white
  • brightred (and so on)
  • colour0colour255
  • #333 (rgb hex)

Attributes

  • bold underscore blink noreverse hidden dim italics

Variables

| #(date) | shell command |
| #I | window index |
| #S | session name |
| #W | window name |
| #F | window flags |
| #H | Hostname |
| #h | Hostname, short |
| #D | pane id |
| #P | pane index |
| #T | pane title |

Options

set -g status-justify [left|centre|right]
set -g status-left '...'

setw -g window-status-style
setw -g window-status-activity-style
setw -g window-status-bell-style
setw -g window-status-content-style
setw -g window-status-current-style
setw -g window-status-last-style

setw -g window-status-format
setw -g window-status-current-format

setw -g window-status-separator

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