There is only one button at the bottom of my iPod Touch. To close applications, I press the home button. Does it really close applications, or does it just display the home page and an extra thread runs in the background? Is there any way that I can see the currently running applications?
IOS – How to see the currently running applications on an iPod Touch
applicationsiosipod-touch
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Best Answer
In iOS 3, you press the home button, with very few and only Apple-engineered exceptions (eg. the iPod app) the app is closed.
In iOS 4+, there is limited multitasking available to third-party apps. Apple freezes all processes in the background unless they're performing one of the following functions (ripped from Ars):
In iOS 4, double-tapping the home button shows a tray holding both recently-used apps and apps performing the above limited-multitasking functions. You can close them/remove them from the tray by clicking the red "-" sign.