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A Practical Guide to Red Hat® Linux® 8 by Mark G. Sobell

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Chapter Summary

As with many operating systems, your access to the system is authorized when you log in. You enter your login name at the login: prompt, followed by a password. You can use passwd to change your password at any time. Choose a password that is difficult to guess and that conforms to the criteria imposed by the passwd utility.

The system administrator is responsible for maintaining your system. On a single-user system, you are the system administrator. On a small multiuser system, you or another user is the system administrator, or this job may be shared. On a large multiuser system or network of systems, there is frequently a full-time system administrator. When extra privileges are required to perform certain system tasks, the ...

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