Media Manager Namespaces Choose namespace [root] courses events help history people photos playground private research restricted systems student_opportunities students sysinfo sysnews users wiki Media Files Media Files Upload Search Search in restricted Thumbnails Rows Name Date Apply Search file name: Search File View History courses:cs101-2021-5657:lecture4.pdf Date:2021/03/01 00:24 Filename:lecture4.pdf Size:227KB References for:week3