copy course
From MoodleDocs
Copying a course without participant data is simple 3 step procedure.
1. You have login your moodle course and select the backup from the administration box.
2. On the next screen, select none for the user data and proceed as you would with regular backup. This would create a zip of the course without any participant data.
3. Restore your course as you would any backup, for more information on restore, click here