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I'm running Ubuntu 12.04 LTS in a 64-bit version. After hours and hours of reading and going through many forums, I'm still confused about running 32-bit applications.

I figured out that my Ubuntu is multi architecture enabled:

dpkg --print-foreign-architectures gives me an i386.

However, if I want to run some 32 bit applications now, which package of 32-libs do I really need? ia32-libs-multiarch or ia32-libs?

Can somebody please explain me the difference?

(On some forums I even read about ia32-libs-i386?)

Thank you very much for clarification.

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