This tutorial is based on the following assumptions.
You know the details of the wireless network you will be connecting to.
You possess root privelidges  on the machine you are adding the wireless card to.
 A managed network consists of wireless clients connecting to a central device called an access point.
 A peer network is a network that consists only of wireless clients connecting together, in this type of network there is no central way of managing the network.
 SSID(Service Set Identifier) is a name given to the wireless network that may or may not be automatically provided for you when you connect to it.
 An encryption key keeps data secure as it is transmitted and recieved. This may or may not be automatically provided for you when you connect to the network.
 Root priveleges allow you to make changes to the system you are working on. To set up wireless networking, you will only need the password for the root user.