IOS Multitasking feature is a great feature for switching from app to app, There was one thing that was quite annoying about the multitasking feature. The annoying this was that when you wanted to close all applications from your App-Switcher row of apps to speed up your device you had to go one by one. With this new Cydia tweak it allows you to close all apps in your multitasking bar with one simple click.

If you would like to install this tweak, it requires iOS 4.0+ and works on all iDevices (I tested on iOS 5 beta 4 and it works fine

using jailbreak tweaks and applications on the iOS 5 beta will be done at your 

Name: KillBackground

Author: Mathieu Bolard

Version: 1.0-1

Price: Free (Cydia)