TMUX

Basic Usage

Starting and Managing Sessions

• Start a New Session

  tmux
  

• Start a Named Session

  tmux new -s mysession
  

• Attach to a Session

  tmux attach -t mysession
  

• List Sessions

  tmux ls
  

• Detach from a Session
  • Press Ctrl + b, then d

Windows and Panes

• Create a New Window
  • Press Ctrl + b, then c
• Switch Between Windows
  • Press Ctrl + b, then n (next), p (previous), or a window number
• Split Pane Horizontally
  • Press Ctrl + b, then %
• Split Pane Vertically
  • Press Ctrl + b, then "
• Navigate Between Panes
  • Press Ctrl + b, then use the arrow keys
• Resize Panes
  • Press Ctrl + b, then hold Ctrl and use arrow keys

Advanced Usage

Custom Key Bindings

• Reload Configuration

  bind r source-file ~/.tmux.conf
  

• Resize Panes More Quickly

  bind -r H resize-pane -L 10
  bind -r J resize-pane -D 10
  bind -r K resize-pane -U 10
  bind -r L resize-pane -R 10
  

Session Management

• Kill a Session

  tmux kill-session -t mysession
  

• Rename a Session
  • Press Ctrl + b, then $

Copy and Paste

• Enter Copy Mode
  • Press Ctrl + b, then [
• Start Selection (in Copy Mode)
  • Press Space
• Copy Selection (in Copy Mode)
  • Press Enter
• Paste Clipboard
  • Press Ctrl + b, then ]

Examples of Custom Configuration (~/.tmux.conf)

• Set Scrollback Buffer Size

  set -g history-limit 10000
  

• Enable Mouse Support

  set -g mouse on
  

• Change Status Bar Color

  set -g status-bg blue
  set -g status-fg white
  

• Set Default Terminal to 256 Colors

  set -g default-terminal "screen-256color"
  

Practical Examples

• Create a New Named Session for a Project

  tmux new -s project-name
  

• Splitting the Window for Monitoring Logs
  • Start tmux, then split the pane horizontally (Ctrl + b, %) and tail logs in one pane while working in the other.
• Using tmux for Remote Pair Programming
  • Both users attach to the same tmux session on a server to collaboratively work in real-time.