# emacs > The extensible, customizable, self-documenting, real-time display editor. > More information: . - Start in console mode (without X window): `emacs -nw` - Open a file: `emacs {{path/to/file}}` - Save a file: `Ctrl + X, Ctrl + S` - Quit: `Ctrl + X, Ctrl + C` - Open a file at a specified line number: `emacs +{{line_number}} {{path/to/file}}`