Installing Ubuntu on a pen drive is not a very long task. Its very simple due to the softwares available on the internet. All you need is: A 8GB Pen Drive (recommended) Ubuntu 14.04 iso (recommended). You can download 15.04, but I had some issues with WiFi on it. A UUI (Universal USB Installer) down loaded from pendrivelinux.com The whole process of downloading and installing took me 40 minutes with an internet connection of 14Mbps. The steps are given below: Download the Ubuntu 14.04 iso (make note of the download location). Download the UUI Plug in your empty pen drive. Take backup of your drive if you have data stored on it. Execute the UUI Select Ubuntu from the first drop down list. The next bar requires you to enter the location of the iso file. Click on the ... (Browse) button and select the iso file from the location you noted while installing. Select your pen drive from the next drop down list. Check the box saying Format pen drive (recommended)....
