C# Console Object Model

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleObjectModel
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Title = "Console Object Model";
            Console.BackgroundColor = ConsoleColor.Gray;
            Console.ForegroundColor = ConsoleColor.Green;
            Console.Clear();
            Console.WriteLine("Hello world !");
            Console.Read();
            Console.ReadKey(); 
        }
    }
}