Getting the template information in Drupal 7 is very easy.
Enable theme debugging
Run the following command from the terminal.
drush variable-set theme_debug 1 or
drush vset theme_debug 1
If Drush is not enabled or installed, then add the following line in your settings.pho
$conf['theme_debug'] = TRUE;
Then clear the drupal cache.
View the template information from browser
After enabling theme debugging reload the page from a broswer. Using developer tool , inspect the elements.
Before each HTML blocks , you willl be able to see the corresponding Drupal temaplate files information appended.
This will be a commented code so theme information can only viewed by inspecting the elements.
Disable the theme debugging.
To disable the theme debuging run the following command.
drush vset theme_debug 0
or update the settings.php as shown below
$conf['theme_debug'] = false;