User Accounts
Because Linux is a multiuser system, the task of adding and maintaining user accounts is common in Linux system administration. Upon a successful installation of a Linux distribution, two user accounts are configured: the root user and a normal user. These two user accounts represent the two basic types of users that are configurable with Linux.
Note
The concept of users, groups, and permissions is probably very familiar to those of you who are accustomed to multiuser environments, including NT systems.
The first type, the root user, is unique for several reasons. First and foremost, it is the only user account with systemwide privileges. Other accounts can be set up as an exact clone of the root user account, but it is strongly ...
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