Related man pages — There are a number of man pages for
the various applications and configuration files involved with
managing users and groups. Some of the more important man pages
have been listed here:
User and Group Administrative Applications
man chage — A command to
modify password aging policies and account expiration.
man gpasswd — A command to
administer the /etc/group file.
man groupadd — A command to
add groups.
man grpck — A command to
verify the /etc/group file.
man groupdel — A command to
remove groups.
man groupmod — A command to
modify group membership.
man pwck — A command to
verify the /etc/passwd and
/etc/shadow files.
man pwconv — A tool to
convert standard passwords to shadow passwords.
man pwunconv — A tool to
convert shadow passwords to standard passwords.
man useradd — A command to
add users.
man userdel — A command to
remove users.
man usermod — A command to
modify users.
Configuration Files
man 5 group — The file
containing group information for the system.
man 5 passwd — The file
containing user information for the system.
man 5 shadow — The file
containing passwords and account expiration information for
the system.
Red Hat Enterprise Linux Introduction to System Administration; Red Hat, Inc. — This
companion manual provides an overview of concepts and techniques
of system administration. The chapter titled Managing
User Accounts and Resource Access has great
information pertaining to user and group account management.
Red Hat Enterprise Linux System Administration Guide; Red Hat, Inc. — This
companion manual contains more information on managing users and
groups as well as advanced permission configuration using
ACLs. Refer to the chapters titled User and Group
Configuration and Access Control
Lists for details.
Red Hat Enterprise Linux Security Guide; Red Hat, Inc. — This
companion manual provides security-related aspects of user accounts,
namely choosing strong passwords.
