tmux: Zero to Hero in 8 Minutes

https://www.youtube.com/watch?v=BjGMQOhujiI Your terminal closes, your work dies. SSH drops, your process is gone. You've got twelve tabs open and no idea which is which. tmux fixes all of it — and it does way more than you think. What Is tmux? tmux is a terminal multiplexer. It lets you run multiple terminal sessions inside one window, and they survive when you disconnect. Think of three layers. Sessions are workspaces (like "webserver" or "database"). Inside each session: windows (like tabs). Inside each window: panes (splits). You can divide a single window into as many terminals as you need. The key insight: tmux runs as a server process. Your terminals are clients. When you close your terminal or your SSH drops, the server keeps running. Your processes don't die. You just reattach and pick up exactly where you left off. Getting Started Install it (brew install tmux on Mac, apt install tmux on Ubuntu), then type tmux. That's it — you're in. The green status bar at the bottom tells