[ubuntu] 32-bit or 64-bit? 12.04.1 or 12.10?

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http://ubuntuforums.org – https://help.ubuntu.com/community/32...ld_I_Choose.3F http://www.ubuntu.com/download/desktop According to the help section, I should choose the 64 bit version of Ubuntu unless I have a reason not to, but according to the download page, the 32 bit version is recommended. Assuming I have a 64-bit processor and less than 4 gigabytes of RAM, which of these should I choose? I know RAM isn't the only memory that counts toward the 4 gigabyte limit, but I don't know how to tell how much other addressable memory is installed. I only have 2.8 gibibytes of RAM, so I'm not sure if it matters anyway. (Hardware)