[header] How to get linux on a usb pen drive [title] Know your computer specs. [step] It should be windows xp onwards, a 32bit processor and have at least 1ghz of speed. If it does, go ahead and try this, if it isn't, then do not do this. 
[title] Now go on the internet, go to google and type in " unetbootin ". [step] Click on i'm feeling lucky.