We know Drupal 8 is the latest version of Drupal. It has lot's of difference from the previous version of Drupal. One of the major difference in Drupal 8 is in Configuration Management. In Drupal 7 there is version control system is used and for that there is different running site environments like staging, live etc are there. In Drupal 8 also have this environments but Drupal 8 comes with a file system-based configuration management system.