How to change footer Powered by Drupal and its link?

Question

I am working on Drupal. I want to know how to change that footer text Powered by Drupal and link given to it. I want there \"Copyrights 2012 (My site name).All Rights reserved.\

Answer 1

This is a themable item, so you can add this to template.php:

function MYTHEME_system_powered_by() {
  return '' . t('XYZ Powered by Drupal', array('@poweredby' => 'https://www.drupal.org')) . '';
}

Don't forget to rebuild the cache to see the change take effect.