32.7. Additional Resources
For more information about users and groups, and tools to manage them, refer to the following resources.
32.7.1. 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.