Fresh tmux 3.6b

tmux Documentation Hub

Your complete guide to mastering tmux - the terminal multiplexer.

Now covering tmux 3.6b (released 2026-05-20)

New in 3.6: pane scrollbars, tiled layout column limits, automatic dark/light theme detection, copy mode improvements, and more. See What's New in tmux 3.6.

What is tmux?

tmux is a terminal multiplexer that enables managing multiple command-line sessions. With tmux you can:

Start sessions on remote servers and detach/reattach seamlessly
Keep applications running even when disconnected
Split your terminal into multiple panes and windows
Boost productivity with keyboard-driven workflows

SOPs

Step-by-step procedures for common tmux operations including installation, session management, and configuration.

Workflows

Real-world workflows for remote development, multi-project setups, and pair programming.

Quick Reference

Keyboard shortcuts, commands, and troubleshooting guides at your fingertips.

Get Started

bash

# Install tmux
brew install tmux    # macOS
apt install tmux     # Debian/Ubuntu

# Start your first session
tmux

# Split pane vertically
Ctrl+b %

# Detach from session
Ctrl+b d

# Reattach
tmux attach

Ask the Docs

Click the chat button in the bottom-right corner to ask questions about tmux!

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What is tmux? ​

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Quick Reference ​