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Fluxbox is a light-weight and fast window manager. Regardless of the window managers that you have selected to install, Fluxbox is always available as an option in the login menu.
Figure 5.6a shows a screenshot of Fluxbox running on PC-BSD. In this example, the user has launched the Application menu by right-clicking on the desktop.
Figure 5.6a: Fluxbox on PC-BSD
The Features page of the Fluxbox website lists the available configuration files and links to instructions for getting the most out of Fluxbox.