How can we view user groups and users in Linux?

In Linux, you can use the following command to view user groups and users:

1. View user groups:
2. Display the list of all user groups by using the command cat /etc/group.
3. getent group: displays a list of all user groups, including system and network user groups.
4. View user:
5. Display a list of all users by using the command “cat /etc/passwd”.
6. Display a list of all users, including system and network users, with the command “getent passwd”.

In addition, you can use the following command to view detailed information about specific user groups and users:

1. View detailed information about user groups:

   groupinfo : Display detailed information about the specified user group.

2. View user details:

   id : Displays detailed information for the specified user.
   finger : Displays detailed information for the specified user, including login name, real name, login time, etc.

Please note that in Linux systems, information about user groups and users is typically stored in the /etc/group and /etc/passwd files.