# emacs > The extensible, customizable, self-documenting, real-time display editor. > See also `emacsclient`. > More information: . - Start Emacs and open a file: `emacs {{path/to/file}}` - Open a file at a specified line number: `emacs +{{line_number}} {{path/to/file}}` - Run an Emacs Lisp file as a script: `emacs --script {{path/to/file.el}}` - Start Emacs in console mode (without an X window): `emacs --no-window-system` - Start an Emacs server in the background (accessible via `emacsclient`): `emacs --daemon` - Stop a running Emacs server and all its instances, asking for confirmation on unsaved files: `emacsclient --eval '(save-buffers-kill-emacs)'` - Save a file in Emacs: ` + X, + S` - Quit Emacs: ` + X, + C`