FILE STRUCTURE o None-sequence of words,bytes o Simple record structure 。Lines 。Fixed length ·Variable length o Complex Structures ·Formatted document Relocatable load file o Can simulate last two with first method by inserting appropriate control characters o Who decides: ·Operating system ProgramFILE STRUCTURE  None - sequence of words, bytes  Simple record structure  Lines  Fixed length  Variable length  Complex Structures  Formatted document  Relocatable load file  Can simulate last two with first method by inserting appropriate control characters  Who decides:  Operating system  Program