URL Syntax
URLs specify the location of files on other servers.
It includes the type of resource, server address, and file location.
scheme://host.domain [:port]/path/filename
file a file on your local system
ftp a file on an anonymous FTP server
http a file on a World Wide Web server (hypertext transfer
gopher a file on a Gopher server protocol)
WAIS a file on a WAIS server
telnet a connection to a Telnet-based service
The port number can generally be omitted.