Apple’s release of an AirPort Utility app for iOS 5 lets you leave the desktop version behind for most base station configuration tasks. It’s free, and has the bonus of a graphic presentation of your network layout and connections among base stations. Glenn Fleishman has the details at Macworld. follow link
Toggle Dock Magnification Temporarily
Sometimes it may be handy to enable or disable Dock magnification quickly. You can toggle Dock magnification from your normal settings easily, and temporarily, by pressing Control-Shift as you mouse over the Dock.
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Use the New AirPort Utility App for iOS 5
Check out the Take Control ebooks that expand on the topic in this article: