Firefox, Opera, Chrome, Safari and Explorer are all types of web browsers. They retrieve, present and traverse information resources on the World Wide Web. They can also be used to access information provided by web servers in private networks or files in file systems.

Web browsers can typically be configured with a built-in menu. Depending on the browser, the menu may be named Settings, Options, or Preferences. The menu has different types of settings. For example, users can change their home page and default search engine. They also can change default web page colors and fonts. Various network connectivity and privacy settings are also usually available.

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