You've got a UIF file from a friend and have no clue how to use it on your Mac? No need to go and boot up your old Windows PC (if you still have one). Just drop the file into UIF2ISO for Mac and it will convert it into a standard ISO format. The ISO you can just use with OSX. Open it. Burn it.
What's new in version 1.4.1
[CHANGE] Require 10.5 through Info.plist.
[FIX] I18n fixes.
ReleaseFebruary 4, 2010
Date AddedFebruary 4, 2010
Operating SystemsMac OS X 10.4 PPC, Mac OS X 10.5 PPC, Macintosh, Mac OS X 10.4 Intel, Mac OS X 10.5 Intel, Mac OS X 10.6 Intel