15.1 — Why tmux is a game-changer with Claude Code
When you work with Claude Code, you interact with a single terminal. You ask a question, you wait for the answer, you ask again. It's sequential. But imagine being able to launch three, four, five instances in parallel, each on a different part of your project, and monitor them all from a single screen. That's exactly what tmux enables.
tmux, short for terminal multiplexer, creates multiple sessions in your terminal, each containing windows, which are themselves splittable into panes. Unlike your terminal's native tabs, tmux persists server-side: you can detach from a session, close your terminal, and come back later — everything is still running. This is fundamental when your Claude Code age