URL Syntax

• scheme:
• //server
• [:port]
• [/path]
• [/program?q=argument]
• [#fragment]

schemes

• http (as above)
• ftp
• mailto
• nntp (news)
• mid (an email message)
• type "file:///"
• http://localhost = 127.0.0.1

notes

• a http server listens to (URL default) port 80:
  http://www.google.com = http://www.google.com:80
• program (dynamic HTML), e.g., a CGI script at the server returning HTML (that is, transparent to client) after querying database
• fragment at client side
• server/~joe = User Joe's stuff @ server/public_html/joe
• path/directory = path/directory/index.html (or index.php)

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