In Linux, groups play a central role in managing user permissions and access control. Whether you're an experienced system administrator or a curious new user, understanding how to list and analyze ...

There are quite a few ways on Linux to get a list of the users logged into the system and see what they are doing. The commands described in this article all provide very useful information. The users ...

If you’re managing a Linux server, it’s good to be ready with a number of commands that you can use to check user activity – when your users are logging in and how often, what groups they belong to, ...