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:cs145-201951:homework423.pdf Date:2019/04/22 23:24 Filename:homework423.pdf Size:331KB References for:week12week13