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Speed up the shutdown process in OS X - CNET
http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNFA98-7MRSoxVP8Ak5Tq0cvd_MiEg&url=http://reviews.cnet.com/8301-13727_7-57607463-263/speed-up-the-shutdown-process-in-os-x/