GUI doesn't mean it has to be handled by mouse, good GUIs (for devs) support keyboard-only input, e.g. ctrl+b shows a branch selection list. The graphical part

GUI doesn't mean it has to be handled by mouse, good GUIs (for devs) support keyboard-only input, e.g. ctrl+b shows a branch selection list. The graphical part can be used only for better understanding of state and history of the repo.