In a Web browser, the history is a detailed list of Web sites the computer has visited which remains in a computer's memory for a pre-determined number of days. (The number of days the computer retains its history can be set in the browser's preferences.) History can be used to backtrack where you have gone on the Web; the list of Web sites in a browser's history can be viewed by date, time of day, title, address (URL), alphabetical order, or number of repeat visits. Many parent groups advocate checking the history of a family computer to monitor where children have gone online. Internet Explorer history can be viewed by clicking on the History icon (which resembles a sun dial) in the browser toolbar. Netscape history can be viewed by clicking on the word "Communicator" followed by "Tools" and then "History".