Groups help define the permissions and access your Linux user account has to files, folders, settings, and more. Finding out the groups to which a user account belongs helps give you a better understanding of that user’s access and makes troubleshooting easier.
RELATED: How to See Which Groups Your Windows User Account Belongs To
Start by opening up your Terminal. At the prompt, type the following command, and then hit Enter:
Just using the groups command by itself like that shows you the groups to which the currently logged in user belongs.
You can also add a username after the groups command if you’re investigating group membership for a different account. Just use the syntax:
RELATED: Add a User to a Group (or Second Group) on Linux
Yes, it’s a super simple process, but it’s also a super helpful one. Of course, you can use the groups command itself for more than just checking membership. For example, you can also use it to add users to groups.