Files that can be modified has a diamond (◊) next to the file name. Clicking the diamond will show a menu. It will default to renaming the file. To rename the file enter the new file name in the field and click the 'ok' button. To move a file enter the folder you want to move the file to in the field and click 'ok'. To move files up in the folder structure type "../". For example if you want to move a file two levels up and then into the directory "test" you would type "../../test" (without the quotes). To delete a file click the confirmation button. Nb. the file will be permanently deleted! To duplicate a file enter a new file name (one will be suggested for you) and click 'ok'.