-- Homework 0 is not required, there is no due date, 
   and you don't need to turn in anything.


If you are not familiar with socket programming, or want 
to refresh your knowledge, I suggest that prior to starting
Project1 you look into some basic socket tutorials, and 
implement the following program:

  Write a client and server program which communicate via 
  TCP sockets. The client should send a request to the server 
  for a specific file, and then receive the file.

A socket tutorial and sample codes are posted on the class webpage, 
in the Pointers to Technical Information section, however there
are numerous other online resources.

The intent of the exercise is to make sure I help you resolve
all socket-related issues you might have, prior to starting the
project, where you need to worry about threads and concurrency
related problems.