INFORMATION ON HOW TO CREATE WEB PAGES AND USE CGI ON PDC-LAB or utopia:
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You can create a web page in your account on pdc-lab as follows:

 - create a directory "homepage" in the top directory of your account
 - place your html files into this directory

This directory will then be visible as http://pdc-lab.poly.edu/~student
on the web, where "student" is your account name. For example, if your
login is "jsmith08", and you put a file called "index.html" into the
directory "homepage", then this file will be accessible under the URL
http://pdc-lab.poly.edu/~jsmith08/index.html.

You can put CGI scripts into this directory using the extension .cgi for
the files. To get a cgi program, take an executable program and simply rename
it "program.cgi". Then, use "chmod" to make it executable to everybody, with
"chmod uo+x program.cgi". This way, people can execute your program by
retrieving the corresponding URL ending in "program.cgi".

On utopia, things work exactly the same way: create a directory "homepage"
that will then be available under http://utopia.poly.edu/~student where 
"student" is your login.

To learn more about CGI, in particular how to pass parameters to the CGI
program from the web servers (such as the query terms) and how to pass
a result back (the result page), read the paper on Web & CGI handed out in 
the first class, and check out online resources such as:

http://cgi.resourceindex.com/Documentation/

Send me email if you run into trouble.