How are files handled in Moodle, WebCT and Sakai?

In Moodle and WebCT:
Only instructors can access the Files (Moodle) and MyFiles (WebCT) area. There is no personal file space on the Moodle or WebCT server for student users (unless files are attached or posted to a designated tool, e.g. Discussion Board/Forum, Assignment, Student Presentations, Student Homepages). What this means: Instructors can use the site to store all their course-related files, including those they don’t want students to see or download, because only instructors(designers) have access to them. This means, for example, that Word and Powerpoint originals can be stored on the site along with the PDFs and HTML galleries that are meant for student view. Thus, instructors can use the WebCT or Moodle system to store ALL their course files.

In Sakai:
Every user has a MyWorkspace area to store their private files. What this means: Instructors can store all course-related files, including those they don’t want students to see or download, in their own MyWorkspace area. But, they must keep the originals and files they don’t want students to see in MyWorkspace — they can only add the PDFs and HTML galleries of original Word and PPT docs to the sites themselves, where students can view them. Thus, instructors can use the Sakai system to store ALL their course files, but must be careful to store hidden files in MyWorkspace only. Students can also store course-related (or other!) files in their MyWorkspace area.