protected void cat (String [] cmd)
    {
        try
        {
            BufferedReader in = new BufferedReader(new FileReader(cmd[1]));
            String input;

            try
            {
                System.out.println("A fajl tartalma: ");
                while ((input = in.readLine()) != null)
                {
                    System.out.println(input);
                }
            }
            catch (IOException e)
            {
                System.out.println("Nem sikerult kiirni a fajl tartalmat!");
            }
        }
        catch (Exception e)
        {
            System.out.println("Nem letezik a fajl!");
        }
    }