The root user is a sort of “superuser” that can perform advanced system administrative tasks on your system. If you have a VPS or Dedicated Server plan you can use the root user to perform tasks that other users (such as your cPanel user) do not have the privilege of performing.
Why is the “root” User a Secret?
The root user is not a secret. The root user or “superuser” is present in every Linux or “Unix-like” operating system. If you would like more information about what you can do with the root user, you are best advised to read some of the material provided in the next section.