====================================
     sys -- System-specific Configuration
     ====================================
     
     .. module:: sys
         :synopsis: System-specific configuration
     
     :Purpose: Provides system-specific configuration and operations.
     :Python Version: 1.4 and later
     
     The :mod:`sys` module includes a collection of services for probing or
     changing the configuration of the interpreter at runtime and resources
     for interacting with the operating environment outside of the current
     program.
     
     .. toctree::
         :maxdepth: 2
         
         interpreter
         runtime
         limits
         exceptions
         tracing
         threads
         imports
     
     
     .. seealso::
     
         `sys <http://docs.python.org/library/sys.html>`_
             The standard library documentation for this module.