emacsclient

Open files in an existing emacs server. More information: https://www.emacswiki.org/emacs/EmacsClient.

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}}