tmux

tmux.md

Here are the essential tmux commands to get you started:

Starting and Managing Sessions

• tmux - Start a new session
• tmux new -s sessionname - Start a new named session
• tmux ls - List all sessions
• tmux attach -t sessionname - Attach to a session
• tmux kill-session -t sessionname - Kill a session
• tmux kill-server - Kill the tmux server

Capture Output

tmux capture-pane -t ui -S -50 -p

Start logging the current pane to a file

tmux pipe-pane -t session_name -o 'cat >> session_name.log'
tmux pipe-pane -t session_name # to stop logging

Key Bindings (Default prefix is Ctrl+b)

Press the prefix key, then release it, then press the command key.

Session Management

• Ctrl+b d - Detach from session
• Ctrl+b s - List and switch sessions

Window Management

• Ctrl+b c - Create new window
• Ctrl+b n - Next window
• Ctrl+b p - Previous window
• Ctrl+b 0-9 - Switch to window by number
• Ctrl+b , - Rename current window
• Ctrl+b & - Kill current window

Pane Management

• Ctrl+b % - Split vertically (side by side)
• Ctrl+b " - Split horizontally (top/bottom)
• Ctrl+b arrow keys - Navigate between panes
• Ctrl+b x - Kill current pane
• Ctrl+b z - Toggle pane zoom (fullscreen)
• Ctrl+b { or } - Swap pane positions

Useful Shortcuts

• Ctrl+b ? - Show all key bindings
• Ctrl+b : - Enter command mode
• Ctrl+b [ - Enter copy mode (use arrow keys to scroll, q to quit)

Common Workflow

1. Start tmux: tmux new -s work
2. Create windows for different tasks: Ctrl+b c
3. Split panes as needed: Ctrl+b % or Ctrl+b "
4. Detach when done: Ctrl+b d
5. Reattach later: tmux attach -t work

These commands will cover most of your daily tmux usage!