This is the companion site for Bioinformatics for Evolutionary Biologists - A Problems Approach by Bernhard Haubold & Angelika Börsch-Haubold. It teaches biologists to analyze their data using the UNIX command line. The UNIX command line is not only the standard computing environment in science and professional IT, it is also available on all three major PC operating systems: MS-Windows, OS-X, and Gnu/Linux.