audacious:tldr:79e70

The command "audacious --headless" instructs the Audacious multimedia player to run in headless mode.

Audacious is a lightweight audio player for Linux and other Unix-like operating systems. In normal usage, it provides a user interface to play audio files, manage playlists, and perform various media-related tasks. However, when running in headless mode, Audacious operates without a graphical user interface (GUI).

By using the "--headless" flag with the "audacious" command, the player starts in the background without opening a window or displaying any user interface elements. This means that Audacious will not provide a visual interface to interact with, but it will still function as an audio player. This can be useful if you want to control Audacious through command-line scripts or remotely via another application or system.

In headless mode, Audacious can be controlled by sending commands or using the Audacious Remote Control Protocol (ARCP) to perform operations like playing, pausing, skipping tracks, adjusting volume, and more. This allows for programmatic control over Audacious, enabling automation or integration with other software systems.