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 ...

Linux, a powerhouse in the world of operating systems, is renowned for its robustness, security, and scalability. Central to these strengths is the effective management of users and groups, which ...