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How do I make an Bootable Ubuntu USB? Containing the the latest version of Ubuntu?

For completeness, how would I be able to do this on Ubuntu, Windows, OS X or another Linux distro?

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5 Answers 5

up vote 10 down vote accepted

You need: a flash drive, a PC/Mac, the ISO file for Ubuntu, which can be obtained here: http://www.ubuntu.com/download/desktop. Here are the instructions for...

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Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. –  Braiam Sep 26 '13 at 12:42

Recent distributions of Ubuntu include the boot info to boot directly from both optical disk and hard media (flash drive, etc.)

You can simply duplicate the content of the iso to the USB device using a linux system you would use the command sudo dd if=my.ubuntu.release.iso of=/dev/sdX where sdX is your flash drive which you can identify with the command sudo fdisk -l

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Ubuntu has a built-in application for creating a bootable Ubuntu live USB for installing Ubuntu called Startup Disk Creator. Search the Dash for Startup Disk Creator and click the Startup Disk Creator icon to open the Make Startup Disk window.

The USB flash drive that you use with Startup Disk Creator should be 1GB or larger (2GB or larger starting with Ubuntu 14.04 and onward). Startup Disk Creator will automatically format your USB flash drive to FAT32 and make it bootable. If you have only one USB flash drive plugged in to your computer, Startup Disk Creator will select it automatically. Be very careful to select the USB flash drive in the Make Startup Disk window in order to avoid overwriting the partition which Ubuntu is installed on, which may make Ubuntu unbootable. In the screenshot below you can see how the USB flash drive Device is identified by its model name, the same model name that appears under the Drive heading after Model: in the Disks (disk utility) application.

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You can also move the Stored in reserved extra space slider back and forth to create some reserved extra space for persistent file storage across reboots.

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But it only works on Ubuntu Base Distro/ Ubuntu itshelf. –  MathCubes Apr 21 '14 at 6:48
That's right, whereas UNetbootin is cross-platform, but the Startup Disk Creator has one nice feature that UNetbootin doesn't have. Startup Disk Creator identifies the USB drive by its model name rather than by a cryptic looking device name like /dev/sdb1. This gives the user added protection against overwriting the operating system because of accidentally formatting the wrong drive. –  karel Apr 21 '14 at 6:55
I had problems with Unetbootin before like not installing the bootloader... ect. –  MathCubes Apr 21 '14 at 6:58
Ubuntu wisely decided to also make a special Ubuntu installation iso for people who have problems installing Ubuntu from an Ubuntu live USB made with apps like UNetbootin, Startup Disk Creator, etc. It should be pointed out that hardware issues can cause such problems. The alternative Ubuntu installation iso is called the Ubuntu Minimal CD. The Ubuntu Minimal CD is very small (less than 40MB), text only and can be written to a USB flash drive. –  karel Apr 21 '14 at 7:04

Use Unetbootin.It works in Ubuntu(from Software Center) and Windows(from Unetbootin site) also.Download the iso of Ubuntu you want, download Unetbootin, make it, enjoy it.

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The way that is worded it sounds like you want to make a program to make a boot-able USB
I suspect you really want to make a boot-able USB with 13.04 on it, I suggest unetbootin

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