COBOL Tutorials

 

Tutorial Name	Download Links
Tutorial 01 – Introduction to COBOL Programming - COBOL : The Acronym - Application areas of COBOL Program - COBOL, an English-like language - Four divisions of a COBOL Program : I,E,D,P - Basic Skeleton of a COBOL Program - Indentation/alignment rules in COBOL - Area A and Area B - IDENTIFICATION DIVISION and its paragraphs - PROCEDURE DIVISION, the entry point of the COBOL Program - Meaning of STOP RUN. - How to COMPILE a COBOL Program - Linking of OBJECT Modules - Running the LOAD Module	PDF Word
Tutorial 02 – Introduction to COBOL Programming(Part-II) - Sample JCL/Job Stream to Compile-Link-edit a COBOL Program - Sample JCL/Job Stream to Run A COBOL Program LOAD Module - Load Library : How is it Allocated? - ENVIRONMENT DIVISION : Why it is used? - CONFIGURATION SECTION - INPUT-OUTPUT SECTION and its Paragraphs - How to declare Logical File-names in COBOL Program and associate them with Datasets on Disk	PDF Word
Tutorial 03 – DATA DIVISION(Part – I) - Online Systems v/s Batch Systems - DATA DIVISION and its Sections - Basic Data-types in COBOL - Rules for valid Data-names - Level Numbers - PICTURE Clause - VALUE Clause - Literals and Figurative Constants - Group and Elementary Data Items - Rules governing COBOL Data-items - More on FD File Descriptor Paragraph	PDF Word
Tutorial 04 – DATA DIVISION(Part – II) - WORKING-STORAGE SECTION - Simple COBOL Program to declare and use WORKING-STORAGE Areas	PDF Word
Tutorial 05 – DATA DIVISION(Part – III) - How the MOVE Verb works  - Rules to be applied while MOVEing  - MOVEing to an Alphanumeric Data-Item  - Simple Program that shows an alpha-numeric MOVE  - MOVEing to a Numeric Data-item - Simple Program to show a Numeric MOVE  - Editing Symbols  - Rules of how EDITING symbols work - Simple Program to show working of various EDITING Symbols	PDF Word
Tutorial 06 – DATA DIVISION(Part – IV) - REDEFINES Clause - Sample Program to understand REDEFINES Clause - RENAMES Clause - Sample Program to understand RENAMES Clause	PDF Word
Tutorial 07 – Arithmetic Operators and Expressions in COBOL - How the ADD Verb works  - More about SUBTRACT Verb - MULTIPLY Verb to multiply two things - DIVIDE Verb to Divide and find remainders - COMPUTE Verb for writing complex arithmetic expressions	PDF Word
Tutorial 08 – USAGE Clause - What is USAGE Clause - USAGE is DISPLAY - USAGE IS COMP/BINARY - USAGE IS COMP-1/COMP-2 - USAGE IS COMP-3	PDF Word
Tutorial 09 – Decision Making in COBOL  - Basic IF Statement - IF ELSE Construct - Nested Conditionals - Types of Conditions – Class, Relational, Sign - Complex Conditions – Boolean AND, OR, NOT - 88-level Special conditionals	PDF Word
Tutorial 10 – Program Flow Control  - Basic PERFORM Statement - PERFORM multi-paragraph Procedure - PERFORM a SECTION - PERFORM loops	PDF Word
Tutorial 11 – EVALUATE Statement – I - EVALUATE and WHEN Clause  - Multiple Subjects and corresponding objects	PDF Word
Tutorial 12 – EVALUATE Statement – II - Agreement of the subjects with the objects - Values that subject and object can take - Concrete example of EVALUATE Clause	PDF Word
Tutorial 13 – Table Handling - Creating a table in COBOL - Storing data and retrieving the contents of table - Working with two-dimensional tables	PDF Word