dbus-daemon:tldr:63596
The command "dbus-daemon --session" is used to start the D-Bus daemon in the session bus mode.
D-Bus is an inter-process communication (IPC) system that allows communication between processes within a computer system or between different systems. It is commonly used on Linux and other Unix-like systems for communication between desktop applications, services, and various system components.
When the "dbus-daemon --session" command is executed, it starts the D-Bus daemon in the session bus mode. The session bus is specific to a user's login session and provides a means for applications and services running within that session to communicate with each other.
By default, the D-Bus daemon runs as a background process, listening for incoming communication requests on the session bus. It provides a central message routing and dispatching infrastructure, allowing different applications to register themselves, send messages, and receive messages from other applications on the same session bus.
Running "dbus-daemon --session" is often done automatically when the user logs in, as it enables D-Bus communication to function properly in the user's session. Typically, this command is not intended to be run manually unless there is a specific need to start the D-Bus daemon explicitly.