This division tells the computer what the program will be interacting with
(i.e. its environment) such as printers, disk drives, other files etc... As
such, there are two important sections:
the CONFIGURATION SECTION (which defines
the source and object computer) and the INPUT-OUTPUT SECTION (which defines
printers, files that may by used and assigns identifier names to these external
000260 ENVIRONMENT DIVISION.
000270 CONFIGURATION SECTION.
000280 SOURCE-COMPUTER. IBM PC.
000290 OBJECT-COMPUTER. IBM PC.
000300 INPUT-OUTPUT SECTION.
000320 SELECT INPUT-FILE ASSIGN TO 'input.dat'
000330 ORGANIZATION IS LINE SEQUENTIAL.
000340 SELECT PRINT-FILE ASSIGN TO PRINTER.