Add more Wi-Fi commands

README.md

@@ -774,6 +774,11 @@ dig +short myip.opendns.com @resolver1.opendns.com
 
 ### Wi-Fi
 
+#### Join a Wi-Fi Network
+```bash
+networksetup -setairportnetwork en0 WIFI_SSID WIFI_PASSWORD
+```
+
 #### Scan Available Access Points
 Create a symbolic link to the airport command for easy access:
 ```bash
@@ -805,6 +810,11 @@ Exchange SSID with the SSID of the access point you wish to query the password f
 security find-generic-password -D "AirPort network password" -a "SSID" -gw
 ```
 
+#### Turn on Wi-Fi Adapter
+```bash
+networksetup -setairportpower en0 on
+```
+
 ## Package Managers
 
 - [Fink](http://www.finkproject.org) - The full world of Unix Open Source software for Darwin.