private void ProcessClear(string[] command)
 {
     if (command.Length > 1)
     {
         if (command[1] == "history")
         {
             _commandPrompt.ClearCommandHistory();
         }
         else
         {
             WriteToConsole(
                 new ConsoleWriteLineEventArgs("Command argument [" + command[1] + "] not recognized: \r" +
                                               GetCommandEntry(command[0])));
         }
     }
     else
     {
         _commandPrompt.ClearConsole();
     }
 }