# emacsclient > Open files in an existing emacs server. > More information: . - Open files in an existing Emacs server (using GUI if available): `emacsclient {{filename}}` - Open file in console mode (without X window): `emacsclient -nw {{filename}}` - Open a file in an existing emacs frame and return immediately: `emacsclient -n {{filename}}` - Open file in a new emacs frame: `emacsclient -c {{filename}}` - Eval command in a new emacs frame: `emacsclient -c -e '({{command}})'`