List All Groups. To view all groups present on the system simply open the /etc/group file. Each line in this file represents information for one group. Another option is to use the getent command which displays entries from databases configured in /etc/nsswitch.

How do I list all groups in Ubuntu?

Open the Ubuntu Terminal through Ctrl+Alt+T or through the Dash. This command lists all the groups that you belong to.

How do I manage groups in Linux?

On Linux®, providing you are not using NIS or NIS+, use the /etc/group file to work with groups. Create a group by using the groupadd command. Add a user to a group by using the usermod command. Display who is in a group by using the getent command.