As I promised in my iDevice overclocking article, I will tell you how to free RAM on your Jesus device. As most of you probably know limited RAM is THE iDevices most limiting factor today and the reason for most app crashes. The iPhone OS tracks the amount of free memory available and starts killing off background apps when it gets low (remember, even on the the OS 3.0 Apple’s stock apps like Mail, Safari and iPod still support backgrounding out of the box). If the memory still gets under a certain threshold the OS kills the running app as well.
Well, the jailbreaking community has an answer to this, as it turns out. And the funny thing is – it is an age old technology, present in the desktop OSs for years. I’m talking of course about Virtual Memory.