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.
When I tried to install Kali Linux 1.0.6 today, I got an error. I didn’t really knew exactly at what percentile it failed, but the error message was “Installing step …