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 ...

Here's a quick guide to adding users and groups, and then how to add users to groups, all from the command line on the Linux platform. Explore Get the web's best business technology news, tutorials, ...

Many Linux commands can do more than you might think. The usermod command is one such command, and it can be very handy.