Apple iPhone iOS 5.1 - Manual (Page 19)

Basics
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Using apps
The high-resolution Multi-Touch screen and simple finger gestures make it easy to use iPhone apps.
Opening and switching apps
Press the Home button to go to the Home screen and see your apps.
Open an app: Tap it.
To return to the Home screen, press the Home button again. Flick left or right to see another
Home screen.
Flick left or right to switch
to another Home screen.
Double-click the Home button to reveal the multitasking bar, which shows your most recently
used apps. Tap an app to reopen it, or flick to see more apps.
Recently used apps
Remove an app from the
multitasking bar Touch and hold the app icon until it begins to jiggle, then tap .
Removing an app from the multitasking also forces it to quit.
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