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I sometimes see the iMac copying files from the PC wirelessly at a rate of 1.5MB/s and sometimes 2.5MB/s (by visually examining, because Mac doesn't seem to show what the speed is in the copy dialog).

Is there a way to find out whether my iMac is connected to the wired PC through the wireless router using Wireless-G or Wireless-N? Can some app show and/or the terminal app show?

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up vote 7 down vote accepted

Option + click your menu bar's status icon.

enter image description here

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interesting... quite many of the Mac functions are hidden and can be invoked using the Option key... – 太極者無極而生 Nov 17 '11 at 7:31
OPtion clicking the sound icon in the menubar also lets ur easily switch ur sound I/O – AMomchilov Nov 18 '11 at 0:11
wow that is so useful! no need to bring up the System Preferences every time – 太極者無極而生 Feb 5 '13 at 7:05
How did you grab that screenshot? – raxacoricofallapatorius Aug 31 '14 at 12:11
Commamd shift 4, then press space – AMomchilov Aug 31 '14 at 13:26

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