Follow ZDNET: Add us as a preferred source on Google. The usermod command is short for user modification, and, as the name implies, allows you to modify various aspects of a user account. For a Linux ...

To add the user “dhart” to the group “secteam” on the system, you could do this: $ sudo usermod -a -G secteam ghart The group must already exist. To change dhart’s username to dbell, you could use the ...