How to use 2up method of Project.Rails Package

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oscorpus.rb

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1# encoding: UTF-82@oscorpus = {"Basic Concepts"=>{"Operating System"=>{"video_yt"=>["MaA0vFKt-ew", "55FeqGGzE5Q"], "lectures"=>[], "desc"=>["http://www.webopedia.com/TERM/O/operating_system.html", "http://www.techopedia.com/definition/3515/operating-system-os"], "daiagrams"=>["http://www.webopedia.com/FIG/OPER-SYS.gif", "http://statfaking1.firstpost.in/wp-content/uploads/2014/02/operating-system-logos.jpg", "http://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Operating_system_placement.svg/165px-Operating_system_placement.svg.png", "http://www.itinfopoint.com/contentsimages/20130313-operatingsystem.jpg", "http://www.teach-ict.com/as_a2_ict_new/ocr/A2_G063/332_designing_systems/operating_systems/miniweb/images/operating-system.jpg", "http://www.ge-ip.com/userfiles/image/main_graphic_EHS.jpg", "http://community.arm.com/servlet/JiveServlet/showImage/102-2695-2-3784/OSE.jpg", "http://2.bp.blogspot.com/-e1yu11wl7dM/Txld5jOJ3xI/AAAAAAAAASo/CDBbwKIOWrE/s1600/operatingsystem.jpg", "http://www.circuitstoday.com/wp-content/uploads/2012/06/operating-system.gif", "http://techcriminals.com/images/os-mini-logo.png"]}, "Kernel"=>{"video_yt"=>["aLXiKpFy8dE", "XUj5JbQihlU"], "lectures"=>[["15.097 Lecture 13: Kernels - 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