Python Magic

Serves Current Directory listing on 8000 port

$ python -m SimpleHTTPServer

Download HTML Page

$ python -m urllib http://www.python.org > python.html

Prints the year calendar, like the "cal" command.

$ python -m calendar

Works as a command line ftp client

$ python -m ftplib

Sends email using localhost smtp server as relay.

$ python -m smtplib