Caches, pictures, videos and the iOS system itself generated during the use of the software will be included in the "System" item.

IOS is a mobile operating system developed by Apple. Apple announced this system for the first time at Macworld conference on June 9, 2007. Originally designed for iPhone, it was later applied to iPodtouch, iPad, Apple TV and other products. IOS, like Apple's MacOSX, is a commercial operating system similar to Unix.