emacsclient
Open files in an existing Emacs server. tldr-pages
On several platforms
Several platforms
Open a file in an existing Emacs server (using GUI if available)
emacsclient path/to/fileIdentifyOpen a file in console mode (without an X window)
emacsclient --no-window-system path/to/fileIdentifyOpen a file in a new Emacs window
emacsclient --create-frame path/to/fileIdentifyEvaluate a command, printing the output to stdout, and then quit
emacsclient --eval '(command)'IdentifySpecify an alternative editor in case no Emacs server is running
emacsclient --alternate-editor editor path/to/fileIdentifyStop a running Emacs server and all its instances, asking for confirmation on unsaved files
emacsclient --eval '(save-buffers-kill-emacs)'Identify