Learn more about Apple ID. If you use a different Apple ID for iTunes and iCloud, and want to restore from a backup, first enter your Apple ID for iCloud. After your device restarts, you'll be asked to enter the Apple ID that you use with the iTunes Store, App Store, or iBooks Store.
File system repository. The file system repository allows access to files which have been uploaded (e.g. via FTP) into designated folders on the server. A file system repository may be available site wide for everyone or within an individual course (set up by admin) or for an individual administrator.
What is a CCD file? Files that contain the .ccd file extension are most commonly used by the CloneCD software application. CloneCD is a CD backup software utility that was developed by SlySoft Inc to copy CDs that contain audio files or data. CCD files contain data about the logical structure of a CD that a user is copying.