Media Manager Namespaces Choose namespace [root] courses events help history people photos playground private research restricted student_opportunities students sysinfo sysnews users priestdo wiki Media Files Media Files Upload Search Upload to users Sorry, you don't have enough rights to upload files. File View History courses:cs334-202251:15_semaphores.pptx Date:2022/04/18 07:10 Filename:15_semaphores.pptx Size:499KB References for:schedule