Create Random Data with c#

CreateRandomData.cs

using System;
using System.IO;
using System.Linq;

namespace CreateRandomData
{
    class Program
    {
        static void Main(string[] args)
        {
            var mb = 1;
            if (args != null && args.Any())
            {
                int mbInput;
                if (int.TryParse(args[0], out mbInput))
                    mb = mbInput;
            }

            if (mb == 0) return;

            using (var stream = File.Create($"{Guid.NewGuid()}.bin"))
            {
                var rnd = new Random((int)DateTime.Now.Ticks & 0x0000FFFF);

                var data = new byte[1024];
                for (var i = 0; i <= 1024 * mb; i++)
                {
                    if (i % mb == 0)
                        Console.Out.Write(".");

                    rnd.NextBytes(data);
                    stream.Write(data, 0, 1024);
                }
            }

            Console.Out.WriteLine();
            Console.Out.WriteLine("Done! Press any key.");
            Console.ReadKey();
        }
    }
}