I have been handicapped by the GUI and always seem to ask of help when it comes to the command line.
On Mac OS X only I need a command line to get the mac address of the wifi currently in use.
Help!
ifconfig en1 gets the interface details for wifi, the mac is on a line starting with ether, and is the second word on that line so:
ifconfig en1 | awk '/ether/{print $2}'