New groups can be added to the system.
A group name must be unique to the system, otherwise, an error will be returned.
A group may have a set of privileges. For more information, read “User/Group Privileges”.
A group may belong to one or more groups.
If the “Account Enabled” is disabled on any parent group, the group’s account is disabled, including all members (both direct and indirect).
A group may have members, members can be other users, or groups.
Note, avoid cyclic references of parent/child groups.