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Possible Duplicate:
How to update gcc to the latest version(in this case 4.7) in Ubuntu 10.04?
How do I install tar bz2 and gz files?

I'm new user in ubuntu & I wonder if anyone can help me to How I can download & build gcc 4.7.0 compile on ubuntu 11.10 safely??

so would someone pelase explain it step by step.

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marked as duplicate by Alvar, fossfreedom Apr 24 '12 at 10:27

This question was marked as an exact duplicate of an existing question.

didn't work with me :( – Bassam Badr Apr 24 '12 at 13:10