where I am going to be able to get to them since I am using the live USB? Thanks for the help. wget is a command-line program which downloads files from the internet. When the tutorial asks you to use wget, it should have been Ubuntu's wget to download from the internet and save onto the hard drive. In any case, if you've downloaded the necessary files, just extract them onto the hard drive, as the instructions tell you. sir! i am trying to make my own mobile operating system and i am using linux kernel 2.6.10 but i am not able to understand how do i test my operating system. it will be very kind of you if you can help me out.. Sorry, I'm afraid I can't help you out! Mobile operating systems are a completely different subject, and it's extremely hard to get them to work correctly as most mobile devices need specific (often proprietary) drivers. i i have a few question 1st is after completing general steps for making os should i configure ubuntu software center so that i can install all my need with apt-get command? 2nd is after building os how to make a iso image so that i can install it ?