A how-to is an informal, often short, description of how to accomplish a specific task. A how-to is usually meant to help non-experts, may leave out details that are only important to experts, and may also be greatly simplified from an overall discussion of the topic.
UPDATE: 05/03/2015 – Please follow the final guide instead of this one to Install AMD ATI proprietary fglrx driver in Kali Linux 1.0.6 running Kernel version 3.12.6 – Final Install …