37.7. Additional Resources

download PDF
For more information about users and groups, and tools to manage them, refer to the following resources.

37.7.1. Installed Documentation

  • 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 logoGithubRedditYoutubeTwitter


Try, buy, & sell


About Red Hat Documentation

We help Red Hat users innovate and achieve their goals with our products and services with content they can trust.

Making open source more inclusive

Red Hat is committed to replacing problematic language in our code, documentation, and web properties. For more details, see the Red Hat Blog.

About Red Hat

We deliver hardened solutions that make it easier for enterprises to work across platforms and environments, from the core datacenter to the network edge.

© 2024 Red Hat, Inc.