From: "Jabari Z." Date: 2013-05-21T01:24:27+09:00 Subject: Re: RubyInstaller 2.0.0-p195 released I installed ruby-2.0.0-p195 on Windows 7 Premium Home Edition (64-bit) but it has 32-bit numbers versus 64-bit ones. So if you do this you get > (2**32).class => Bignum For a 64-bit build numbers should be Fixnum all the way up to (2**63-1). On my VirtualBox install of Linux Mint 14 (64-bit) that is what I get for rvm install of ruby-2.0.0-p195 -- Posted via http://www.ruby-forum.com/.