: A major highlight of the second edition is the seamless navigation between tmux panes and Vim splits. By aligning your keybindings, you can move through your editor and terminal as if they were a single application. tmux 2: Productive Mouse-Free Development

: By default, tmux uses Ctrl-b as its "leader" key. The book suggests remapping this—often to Ctrl-a —to make it more ergonomic and closer to the home row. : A major highlight of the second edition

: Instead of multiple floating windows, Hogan teaches you to split your screen into panes (side-by-side or stacked). This allows you to have your code editor, test runner, and server logs all visible at once, navigated entirely via keyboard shortcuts. navigated entirely via keyboard shortcuts.