Update: Visor Terminal is now TotalTerminal. It’s a lot easier to configure so you can just download TotalTerminal and perform the steps below starting at 6.
The Visor Terminal, one of my most used hack-features. This guide helps you put your Mac Terminal to the zenith of usability and convenience.

Visor Terminal
The drop-down Quake-style terminal window is extremely convenient to run commands without disrupting the current workflow. Unfortunately the default install is very messy. It needs an open terminal program running in the background which can’t be closed and takes up valuable Dock space. Continue reading