Refered from: http://www.scootersoftware.com/download.php?zz=kb_linux_install
Debian, Ubuntu
Beyond Compare 4.1+ require matching package and OS architecture (amd64.deb or i386.deb).
Beyond Compare 3 - 4.0.7 require the i386.deb package on all supported versions of Debian and Ubuntu (32-bit and 64-bit).
Beyond Compare 3 on Debian 7, 8 64-bit
Enable 32-bit architecture support: sudo dpkg --add-architecture i386
Graphical Install
Double click on the .deb package to install using the graphical package manager.
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以下是我采用的安装ＢｅｙｏｎｄＣｏｍｐａｒｅ的步骤（Ｕｂｕｎｔｕ 14.04 ６４ｂｉｔ）
Terminal Install
wget http://www.scootersoftware.com/bcompare-4.1.9.21719_amd64.deb
sudo apt-get update
sudo apt-get install gdebi-core
sudo gdebi bcompare-4.1.9.21719_amd64.deb
Terminal Uninstall sudo apt-get remove bcompare
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