Media Manager Namespaces Choose namespace [root] courses events help history people photos playground private research restricted systems activity_log documentation student_opportunities students sysinfo sysnews users wiki Media Files Media Files Upload Search Files in restricted:systems Thumbnails Rows Name Date Apply Sorry, you don't have enough rights to read files. File View History courses:cs102-201752:lecture21.pdf Date:2017/05/01 05:57 Filename:lecture21.pdf Size:260KB References for:schedule