def execute(command, cwd=os.path.curdir, **options):
process = subprocess.Popen(shlex.split(command), cwd=cwd, **options)<EOL>stdout, stderr = process.communicate() <EOL>return process, stdout, stderr<EOL>
Run the system command with optional options.

Args:
    * command: system command.
    * cwd: current working directory.
    * verbose: direct options for :func:`subprocess.Popen`.

Returns:
    Opened process, standard output & error.