## Turn off wifi on your macbook from the Mac OSX terminal command line:

networksetup -setairportpower en0 off


## Turn on wifi on your macbook from the Mac OSX terminal command line:

networksetup -setairportpower en0 on


## List available wifi networks from the Mac OSX terminal command line:

/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport scan

## Find your network interface name

networksetup -listallhardwareports

## Join a wifi network from the Mac OSX terminal command line:

networksetup -setairportnetwork en0 WIFI_SSID_I_WANT_TO_JOIN WIFI_PASSWORD (the whole all cap thing is actually just the name separated by the password - make sure to escape (\) all spaces in the wifi network name.

Turn off wifi on your macbook from the Mac OSX terminal command line:

terminal

Other