Stop juggling terminal tabs and start using tmux. This command integrates the terminal multiplexer into your daily routine, offering a seamless way to tile windows, script your environment, and maintain session persistence. It’s the essential tool for anyone looking to maximize their screen real estate and command-line mastery

Sessions

• tmux — Start a new session
• tmux new -s mysession — Start a new session with the name mysession
• tmux ls — List all running sessions
• tmux a — Attach to the last session
• tmux a -t mysession — Attach to a specific session by name
• Ctrl+b d — Detach from the current session
• Ctrl+b s — Show all sessions (interactive list)
• Ctrl+b \$ — Rename the current session
• tmux kill-session -t mysession — Kill/delete a specific session
• tmux kill-server — Kill the tmux server and all sessions

Windows (Tabs)

• Ctrl+b c — Create a new window
• Ctrl+b , — Rename the current window
• Ctrl+b & — Close the current window (with confirmation)
• Ctrl+b n — Go to the next window
• Ctrl+b p — Go to the previous window
• Ctrl+b 0-9 — Switch to window by number
• Ctrl+b w — List all windows in the current session
• Ctrl+b f — Find a window by name

Panes (Splits)

• Ctrl+b % — Split the current pane vertically (left/right)
• Ctrl+b " — Split the current pane horizontally (top/bottom)
• Ctrl+b o — Cycle through panes
• Ctrl+b q — Show pane numbers (type the number to jump to that pane)
• Ctrl+b x — Kill the current pane
• Ctrl+b z — Toggle pane zoom (maximize/restore)
• Ctrl+b ! — Convert the current pane into a new window
• Ctrl+b \{ or \} — Swap the current pane with the previous or next one
• Ctrl+b Space — Toggle between different pane layouts

Resizing Panes

• Ctrl+b : — Enter command mode, then type:
  • resize-pane -D — Resize down
  • resize-pane -U — Resize up
  • resize-pane -L — Resize left
  • resize-pane -R — Resize right
  • resize-pane -D 10 — Resize down by 10 cells
• Ctrl+b + Arrow Keys (hold Ctrl) — Resize pane incrementally

Copy Mode (Vi Mode)

To enable vi keys, add setw -g mode-keys vi to your .tmux.conf.

• Ctrl+b \[ — Enter copy mode
• q — Exit copy mode
• g — Go to the top
• G — Go to the bottom
• Space — Begin selection
• Enter — Copy selection
• Ctrl+b \] — Paste the most recently copied buffer
• / — Search forward
• ? — Search backward
• n — Next search match

Miscellaneous

• Ctrl+b t — Show a large digital clock
• Ctrl+b ? — List all key bindings
• Ctrl+b : — Enter the tmux command prompt
• :setw synchronize-panes — Toggle “Sync Panes” (send input to all panes in the window)