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root user

The person with the highest privilege level on a Unix/Linux computer. The root user, or just plain "root" is the "superuser" in the Unix world just as an "administrator" is the "superuser" for Windows computers. See root level.



root level

The highest authority or privilege given to a user working with an operating system or other control program. A person with root level access is called an "administrator," "root user" or "superuser."

High and Low at the Same Time
While root level access is considered a "high" privilege level for the user, it is at the same time considered "low" level access to the system. See tree, root directory, root server, rooting, privilege and administrator.



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