Red Hat ENTERPRISE LINUX 5 - VIRTUAL SERVER ADMINISTRATION, Руководство по установке

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Chapter 17. Installing on IBM System z Systems
212
Note
The root user (also known as the superuser) has complete access to the entire system; for
this reason, logging in as the root user is best done
only
to perform system maintenance
or administration.
Figure 17.17. Root Password
Use the root account only for system administration. Create a non-root account for your general use
and
su -
to root when you need to fix something quickly. These basic rules minimize the chances of a
typo or an incorrect command doing damage to your system.
Note
To become root, type
su -
at the shell prompt in a terminal window and then press
Enter
. Then, enter the root password and press
Enter
.
The installation program prompts you to set a root password
1
for your system.
You cannot proceed to
the next stage of the installation process without entering a root password.
1
A root password is the administrative password for your Red Hat Enterprise Linux system. You should only log in as root when
needed for system maintenance. The root account does not operate within the restrictions placed on normal user accounts, so
changes made as root can have implications for your entire system.