View Linux User Groups & Data: Commands Guide

To view user group and user data in a Linux system, you can use the following command:

1. Viewing user group data.
2. You can use the command cat /etc/group to view the data of all user groups in the system.
3. The command ‘getent group’ can be used to view data of all user groups, including those in the system as well as user groups authenticated externally such as LDAP.
4. View user data:
5. You can view data of all users on the system by using the command cat /etc/passwd.
6. The command “getent passwd” can be used to view data of all users, including users in the system as well as external authenticated users like LDAP.

In addition, you can also use specific commands to view data of a specified user or user group, such as:

1. You can view the user ID, group ID and other information of a specific user by using the command “id username”.
2. You can use the command “groups username” to see which user groups a specific user belongs to.
3. You can use the command getent group groupname to view detailed information about a specific user group.

With the above command, you can view user groups and user data in a Linux system, helping to manage and maintain user permissions and access control.