text: /*
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
  #include <linux/module.h>
  
  static int hello_world_init(void)
  {
  	printk("Hello world\n");
  	return 0;
  }
  
  static void hello_world_exit(void)
  {
  	printk("Bye world\n");
  }
  
  module_init(hello_world_init);
  module_exit(hello_world_exit);
  
  MODULE_LICENSE("GPL v2");
  