Linux is a multi-user environment, which means more than one user can use the system at one time. Granted, that mostly takes the form of console access (via SSH), because you can't easily have two ...

Use "sudo usermod -a -G example_group example_user" to add a user to a group. To add a user to multiple groups at once, separate groups by commas, like "sudo usermod -a -G group1,group2,group3 example ...

Sending messages to other users on the Linux command line can be very easy, but there are a number of commands that you might want to consider. In this post, we’ll look at four commands and see how ...