emacs:tldr:06e47

The command "emacs --daemon" is used to start the Emacs daemon in the background on a Unix-like operating system.

Emacs is a powerful text editor and programming environment that can be run in a graphical user interface (GUI) or in the terminal. The Emacs daemon allows you to run Emacs as a background process, which can be very useful if you frequently need to open and close Emacs or if you want to access Emacs from different terminals or processes.

When you run the command "emacs --daemon", it starts the Emacs server in the background. This means that Emacs is now running a process that is continuously running and waiting for client connections.

Once the Emacs daemon is running, you can open files or interact with Emacs by using the command "emacsclient". This command allows you to send commands to the Emacs server to open files, evaluate code, or perform other tasks. The advantage of using "emacsclient" is that it starts up much faster than starting a new instance of Emacs each time.

To stop the Emacs daemon, you can use the command "emacsclient --eval '(kill-emacs)'". This sends a command to the Emacs server to shut down.

Overall, the "emacs --daemon" command allows you to run Emacs as a background service, enabling faster access to Emacs and facilitating integration with other tools and processes.