Creating and editing system groups through Webmin is very simple; just follow the steps outlined.
Let's start by creating a group as follows:
Navigate to System | Users and Groups, and click through to the Local Groups tab.
Click Create a new group.
On the next page, you will be asked to specify basic group information. Set Group name to a chosen name, and leave Group ID set to Automatic. Ignore the password fields.
You can now add any user you choose to the group by moving them from the left to the right column of the Users widget.
Click Create to finish and create the group.
You can now edit the group by performing the following steps:
Go back to System | Users and Groups, and click the Local Groups tab.
Click the group's link in the Group name column.
You will be brought to a screen with a form similar to the one used to create a group, with one difference. If you now change a group's ID, you can tell Webmin to update files on the system with the...