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I want to run Ubuntu via usb without installing it to my hard disk.

How do I install additional drivers, and all my aps related to ubuntu in usb?

How do I get back up of all the softwares which I installed during my first run. so i can use those softwares in all the system via usb live?

I need to use that additional software on other computer with ubuntu via usb live?

Please give me solutions for this. I am a new linux user. Please give me a all procedures for this. I am not good in ubuntu.

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marked as duplicate by Alvar, Tom Brossman, Jorge Castro, Kevin Bowen, Eric Carvalho Jul 27 '13 at 1:22

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

Just install Ubuntu as usual and choose USB as target. You will be able to do everything that normal Ubuntu can. – Danatela Jul 26 '13 at 6:50
Take a look at LiveCD/Persistence. – Mitch Jul 26 '13 at 9:01
I've tried this and it runs incredibly slowly. Be prepared for very poor performance, especially if you are running it from a USB 'thumb drive'. See this question for one way to speed things up. – Tom Brossman Jul 26 '13 at 16:10

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