Archive:Docs/Drafts/AdministrationGuide/UserAccounts/AdditionalInformation

Administration Guide - Additional Information

For additional system administration help/reference look at:

websites:

yum information

username and password guidelines

username and group file(s) information

man pages:

To access man pages open a terminal windows and type man put a space and then the name of the command you want to learn more about and press the [Enter] key. For example:

man passwd

will bring up the man page for the passwd command.

• passwd(1) ---Learn more about the file format information for the /etc/passwd file.
• group(5) ---Learn more about the file format information for the /etc/group file.
• shadow(5) ---Learn more about the file format information for the /etc/shadow file.
• useradd(8) ---Learn how to create or update user accounts.
• userdel(8) ---Learn how to delete user accounts.
• usermod(8) ---Learn how to modify user accounts.
• chpasswd(8) ---Learn how to update many users' passwords at one time.
• chage(1) ---Learn how to change user password aging information.
• chfn(1) ---Learn how to change a user's GECOS (finger) information.
• chsh(1) ---Learn how to change a user's login shell.
• groupadd(8) ---Learn how to create a new group.
• groupdel(8) ---Learn how to delete a group.
• groupmod(8) ---Learn how to modify a group.
• gpasswd(1) ---Learn how to administer the /etc/group and /etc/gshadow files.
• grpck(1) ---Learn how to verify the integrity of the /etc/group and /etc/gshadow files.
• chgrp(1) ---Learn how to change group-level ownership.
• chmod(1) ---Learn how to change file access permissions.
• chown(1) ---Learn how to change file owner and group.

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