Ubuntu Geek shows you how to remove temporary information, such as web page cookies, browser history, or the list of recently-opened documents in Ubuntu 10.10 system

They are two way that i now . The First way is By default, Mozilla Firefox and Google Chrome Web browsers all store a few pieces of information about the websites you visit and interact with. In addition to logging the time, date, title and URL of every page you view.

  How to remove temporary information, such as web page cookies, browser history, or the list of recently-opened documents in Ubuntu 10.10 system