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I just want to ask you, if I'm installing the Ubuntu beside the windows without any partition changes, using wubi does the ubuntu using more performance (CPU, memory, hard drive), or same as a normal installation?

Thanks.

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marked as duplicate by Eliah Kagan, Radu Rădeanu, Tim, muru, Warren Hill Aug 15 at 13:35

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Since wubi uses a single file to store the Ubuntu installation on the NTFS drive IO will be slower

http://superuser.com/questions/222179/how-is-wubi-different-from-dual-booting-or-a-vm-image

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