father file - the second generation master file of the grandfather-father-son file updating concept; the current master file is termed the son, the previous version is the father, and the oldest is the grandfather which will be overwritten to become the son at the next update process. ;
дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр
http://www.harcourt.com/dictionary/def/3/8/4/0/3840700.html;
