Interacting with Running Executables using Python

The python module "subprocess" is used for interacting with Running
Executables using python. The class name is "Popen" in python 2.5.

Ref:
1. "Module to allow Asynchronous subprocess use on Windows and Posix
platforms"
http://code.activestate.com/recipes/440554/

2. The "subprocess" python module documentation.
http://docs.python.org/lib/module-subprocess.html