Linux users are known for being a somewhat finicky lot. Despite broader application support for Windows and a better user experience in Mac OS X, Linux "desktop" users swear by the open-source operating system (and sometimes swear at its competitors).

It's therefore somewhat telling that Linux users overwhelmingly choose Google as their preferred search engine, according to data released today by Chitika, an online advertising network. Chitika analyzed data from 163 million searches across it...