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How can I determine which architecture (x86 or x64) my Ubuntu installation medium is for?

I don't have it installed, I just need to know which files on the installation media I can use to determine the architecture.

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Remember, you can use the live environment to run Ubuntu without installing it... – Aditya Jan 10 '14 at 19:10
This question is not a duplicate since it does not involve an actual installation. – Nathan Osman Jan 11 '14 at 2:54
@NathanOsman: We can run the live environment and the same solutions would work. Am I mistaken somewhere? – Aditya Jan 11 '14 at 16:39
up vote 3 down vote accepted

When there is a \EFI folder on the Iso it is 64-bit, 32-bit does not have a \EFI folder.

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good to know, thanks . You right , i have 2 DVD's with linux, and that dosen't have an EFI Folder . thanks mate <3 – user234263 Jan 10 '14 at 19:15

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