Zellij is a terminal workspace. It has the base functionality of a terminal multiplexer (similar to tmux or screen) but includes many built-in features that would allow users to extend it and create their own personalized environment. Split the terminal into different panes and tabs Like other multiplexers, Zellij allows users to split their terminal into different panes and tabs: Layout Engine Zellij includes a layout engine, allowing users to define a map of panes in a configuration file and load it when they start the app.