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 ...

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

Managing user groups on Linux systems is easy, but the commands can be more flexible than you might be aware. User groups play an important role on Linux systems. They provide an easy way for a select ...

Sudo is a powerful but imperfect Linux tool. These tips can help make using sudo easier and safer. Always use caution when monkeying with sudo. I started using Linux prior to the advent of sudo. Back ...