Deal with the arguments
using System; class SayHello { public static void Main(string[] args) { if (args.Length > 0) { foreach (string arg in args) { if (arg.Equals("/help")) Console.WriteLine("Run this program as follows: sayhello.exe [name1] "); else Console.WriteLine("Hello " + "{0}", arg); } } else Console.WriteLine("For help, run sayhello.exe /help"); } }