Welcome! This will install the Mozart Programming System on your computer. More information about the Mozart Programming System can be found on http://www.mozart-oz.org This port of Mozart requires the Mac OS X Tcl/Tk packages, which can be obtained from http://sourceforge.net/projects/tcl These packages use the Aqua environment directly, but are somewhat experimental. Also, you need to set up your environment to use Oz. Add the following lines to your .emacs (add-to-list 'load-path "/usr/local/oz/share/elisp") (require 'oz) and add /usr/local/oz/bin to your PATH. This port includes libraries from the Fink project: http://fink.sourceforge.net