import subprocess


class HelloWorld:
    """docstring for SampleModule."""

    def run(self):
        print("This shows that your installation is working correctly.")
        subprocess.call("screenfetch", shell=True)
        print("You can now start using the tool.")
        output = subprocess.check_output("cat /etc/*-release", shell=True).decode("UTF-8")
        with open("your_system_information.txt", "w") as file:
            file.write(output)