User roles and teacher view

When the options are collapsed the administration block looks like this:

The administration block provides options to

1. edit the activity/resource being viewed (the image below shows the link to edit the 'book' resource)
   
   
   
2. edit the course settings, which also includes viewing and enrolling users (teachers can only enrol colleagues and not students)
   
   
   
3. switch user role (this can be useful for providing a 'student' view)