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Option-Click AirPort Menu for Network Details

If you hold down the Option key while clicking the AirPort menu in Mac OS X 10.5 Leopard, you'll see not just the names of nearby Wi-Fi networks, but additional details about the selected network. Details include the MAC address of the network, the channel used by the base station, the signal strength (a negative number; the closer to zero it is, the stronger the signal), and the transmit rate in megabits per second showing actual network throughput. If you hover the cursor over the name of a network to which you're not connected, a little yellow pop-up shows the signal strength and type of encryption.

 
 

Mac OS X 10.7.3 Supplemental Update

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Apple has released Mac OS X 10.7.3 Supplemental Update, a tiny update to Lion that “resolves an issue when restoring a Mac from a Time Machine backup.” That’s it, Apple offers no other information. We’re guessing the issue in question was important enough to warrant this release now, instead of rolling it into a future system update. The update is small: only 38 KB on my MacBook Pro, although the standalone download is 24.55 MB. (Free, 24.55 MB)

 

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