37.7. Additional Resources
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/groupfile.man groupadd— A command to add groups.man grpck— A command to verify the/etc/groupfile.man groupdel— A command to remove groups.man groupmod— A command to modify group membership.man pwck— A command to verify the/etc/passwdand/etc/shadowfiles.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.
