Manage Groups Access
From the Admin Tasks home page select Manage Groups
Add A New Group
From the Manage Groups page click on "Create new group" and you will be taken to a simple page where you enter the group name and an optional comment.
Delete A Group
Click on Delete for the appropriate group and you will be taken to a confirmation page.
Note that you can not remove groups that contain users. You must first remove all users from the by modifying their details.
Modify Group Details
Click on Modify details for the appropriate group and you can change the name or comment.
You will also be shown the users that are in that group.