To classify users in the system ImCMS provide well known things that called Role. Also roles coupled with permissions and give each group of users that have special role some permission set.
Role editor located on address
<domain-name>/servlet/AdminRoles and looks like on figure below.
To create new role click on button
Add new role, then, in opened window fill name of new role and choose basic permissions.
After the role has been created open PageInfo dialog and open Access section as has shown below.
Remove role Users if it has been presented and add created role from the list.