![installation - Install 12.10 to an external USB hard drive automatically mounted at /cdrom - Ask Ubuntu installation - Install 12.10 to an external USB hard drive automatically mounted at /cdrom - Ask Ubuntu](https://i.stack.imgur.com/nLxrO.png)
installation - Install 12.10 to an external USB hard drive automatically mounted at /cdrom - Ask Ubuntu
Is it possible to install Ubuntu on an external hard disk to be used as an alternative operating system? - Quora
![boot - Installing Ubuntu in a external hard drive and NOT placing GRUB of my C: hard drive - Ask Ubuntu boot - Installing Ubuntu in a external hard drive and NOT placing GRUB of my C: hard drive - Ask Ubuntu](https://i.stack.imgur.com/NUjq6.png)
boot - Installing Ubuntu in a external hard drive and NOT placing GRUB of my C: hard drive - Ask Ubuntu
![boot - Installing Ubuntu in a external hard drive and NOT placing GRUB of my C: hard drive - Ask Ubuntu boot - Installing Ubuntu in a external hard drive and NOT placing GRUB of my C: hard drive - Ask Ubuntu](https://i.stack.imgur.com/xmvFD.png)