Media Manager Namespaces Choose namespace [root] courses events help history people photos playground private research restricted students student_opportunities sysinfo sysnews users wiki Media Files Media Files Upload Search Upload to history Sorry, you don't have enough rights to upload files. File View History courses:cs101-2021-5657:lecture15.pdf Date:2021/05/05 11:59 Filename:lecture15.pdf Size:170KB References for:week12week13week14