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How do I upgrade from Ubuntu 12.04 to Ubuntu 13.10. I have tried the one I this link

I gives option to upgrade to 12.10 not 13.10

I want to directly upgrade to 13.10 from 12.04

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marked as duplicate by gertvdijk, fossfreedom Jul 20 '13 at 20:39

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Back up /home & fresh install. – fleamour Jul 20 '13 at 15:16
Upgrading to 13.10 (which isn't released yet) is off-topic here I'm afraid, because it's not released yet. – gertvdijk Jul 20 '13 at 15:45
Then to upgrade to Development version: How do I upgrade to the development release (aka. Ubuntu+1)? – Aditya Jul 20 '13 at 18:11
up vote 4 down vote accepted

It'll be better if you don't move from 12.04 to 13.10 directly. The package scripts are responsible for conversion and creation of new settings which will be messed up if you jump releases like that. You may end up with a buggy system that'll ruin your experience with the new release. It'll be better if you upgrade to 12.10 and then to 13.04. The releases are made that way so you can go from one version to another or from one LTS version to another LTS version.

When you've got 13.04, you can further upgrade to 13.10, but I'd really not recommend that. It is still under development, and is not suggested for regular use.

If you do wish to use 13.10, my suggestion would be to download the .iso of the file from here, and boot it from a LiveUSB or on a virtual machine on Ubuntu itself. VirtualBox is a great tool for this, and you can run 13.10 without the risk of your system crashing and consequent data loss.

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