a program can do, which is more helpful.

Unix

On Unix-like systems, the superuser (commonly known as 'root') owns all the privileges. Ordinary users are granted only enough permissions to accomplish their most common tasks. UNIX systems have built-in security features. Most users cannot set up a new user account nor do other administrative procedures. The user "root" is a special user, something called super-user, which can do anything at all on the system.

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