How to reboot the Ubuntu system?

To reboot the system in Ubuntu, you can use the following methods:

1. To reboot the system using the command line, open the terminal (Ctrl + Alt + T) and type the following command.
2. Please restart the system using superuser privileges.
3. You can then input your password to confirm.
4. To use the graphic user interface, simply click on the power button in the top right corner, and then select the “restart” option to reboot the system.
5. To restart the system, simply press the Ctrl + Alt + Del keys together and select the “Restart” option.

The system will prompt you to confirm whether you want to restart the system, no matter which method you use. Once confirmed, the system will begin the reboot process. Please make sure to save your work before restarting the system.