Uniform Resource Locator (URL): URL is an acronym for Uniform Resource Locator and is a reference (an address) to a resource on the Internet. URLs occur most commonly to reference web pages (Http) but are also used for file transfer (FTP), email (mailto), database access (JDBC), and many other applications. A URL has two main components: Protocol identifier: For the URL http://example.com, the protocol identifier is Http. Resource name: For the URL http://example.com, the resource name is example.com. The resource name is the complete address to the resource. The format of the resource name depends entirely on the protocol used, but for many protocols, including HTTP, the resource name contains one or more of the following Components: Host Name: The name of the machine on which the resource lives. Filename: The pathname to the file on the machine. Port Number: The port number to ...
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