The "/sbin/init" command in Linux is responsible for initializing the system during the boot process. It is typically the first program that runs when the Linux system starts. The init process will execute various startup scripts and services, set the system's run level, and manage the overall system initialization.

The "/sbin/init" executable is usually a symbolic link to the actual init program used by the Linux distribution. Different distributions may use different init systems, such as System V init or systemd. These init systems have different features and functionality, but they all serve the purpose of starting and managing system processes.

The exact behavior of "/sbin/init" may vary depending on the specific Linux distribution and configuration.