Setting permissions involves the following three steps:
1. Create a user group (a group of people sharing the same permissions).
2. Tell Joomla! what the group can see or do. In other words, you assign a viewing access level and set the action permissions for this user group.
3. Add users to the group.
Let's find out how you can set permissions using this three-step approach. First, we'll open up the backend of the sample site for site designers: users who can only access and do things in the Template Manager. After that, we'll create a user group that's allowed to update the Events page on the site.
Let's assume that you need a new type of user: someone who's able to administer the contacts database of your site, accessed through Components | Contacts. On the site you're building, the contacts database contains the names and contact details of all employees. You want to allow the company secretaries...