- 12 Sections
- 63 Lessons
- 90 Days
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- COBOL Environment Basics2
- Module 1 — Introduction to COBOL Programming6
- 2.1Lesson 1: What COBOL Does in Enterprise Systems?
- 2.2Lesson 2: COBOL Divisions Overview
- 2.3Lesson 3: How COBOL Works on Modern Platforms
- 2.4Lesson 4: Checkpoints – A Framework for Accountability
- 2.5Hands-On Activity: Setting Up Your COBOL Programming Environment
- 2.6Quiz: Introduction to COBOL Programming33 Questions
- Module 2 — How to Compile, Test, and Debug a COBOL Program6
- 3.1Lesson 1: Anatomy of a Simple COBOL Program
- 3.2Lesson 2: Compiling with GnuCOBOL (cobc commands)
- 3.3Lesson 3: Running COBOL Programs from the Terminal
- 3.4Lesson 4: Debugging Techniques
- 3.5Lesson 5: Best Practices for Testing COBOL Programs
- 3.6Quiz: Compiling, Running, Debugging & Testing COBOL Programs30 Questions
- Module 3 — Writing a COBOL Program That Prepares a Report7
- 4.1Lesson 1: Understanding Report-Style Programs
- 4.2Lesson 2: Using DISPLAY, WRITE, and File Output
- 4.3Lesson 3: Formatting Lines and Columns
- 4.4Lesson 4: Generating Totals and Subtotals
- 4.5Lesson 5: End-of-Report Logic
- 4.6Quiz: Report Programs and Output Handling30 Questions
- 4.7Hands-On-Activity: Building Your First File-Driven Sales Report in COBOL
- Module 4 — How to Design, Code, and Test a Structured COBOL Program6
- 5.1Lesson 1: Understanding Structured COBOL (no GO TO)
- 5.2Lesson 2: Top-Down Design and Modular Paragraphs
- 5.3Lesson 3: PERFORM Statements (inline and out-of-line)
- 5.4Lesson 4: Program Design Tools (flowcharts, pseudocode)
- 5.5Lesson 5: How to Structure, Test, and Refactor COBOL Programs
- 5.6Quiz: Building Maintainable COBOL Programs Through Structure, Testing, and Refactoring40 Questions
- Module 5 — Using COBOL Features for Structured Coding6
- 6.1Lesson 1: IF / ELSE / END-IF — Decision Making in COBOL
- 6.2Lesson 2: EVALUATE — COBOL’s Multi-Branch Decision Tool
- 6.3Lesson 3: PERFORM – Repeating Logic the Right Way in COBOL
- 6.4Lesson 4: TABLE (Arrays) – Structured Data Handling in COBOL
- 6.5Lesson 5: Validating Input Data in COBOL
- 6.6Quiz: Using COBOL Features for Structured Coding41 Questions
- Module 6 — Advanced Data Handling and Definitions in COBOL7
- 7.1Lesson 1: Advanced Data Definition (REDEFINES, RENAMES)
- 7.2Lesson 2: Understanding Group Items and Elementary Items in COBOL
- 7.3Lesson 3: MOVE CORRESPONDING (MOVE CORR) — Smart, Name-Based Data Copying
- 7.4Lesson 4: Resetting and Clearing Data in COBOL
- 7.5Lesson 5: VALUE Clause — Preloading Data the Smart Way
- 7.6Lesson 6: DISPLAY, COMP, and COMP-3 — Numeric Data Types in COBOL
- 7.7Quiz: Advanced Data Handling and Definitions in COBOL40 Questions
- Module 7 — Working With Files and Records in COBOL10
- 8.1Lesson 1: File Processing and Types of Files in COBOL
- 8.2Lesson 2: Understanding Sequential Files in COBOL
- 8.3Lesson 3: READ — Reading Records from a Sequential File in COBOL
- 8.4Lesson 4: WRITE — Writing Records to a Sequential File in COBOL
- 8.5Lesson 5: Understanding Relative and Indexed Files in COBOL
- 8.6Lesson 6: REWRITE — Indexed & Relative File Updates in COBOL
- 8.7Lesson 7: DELETE — Indexed & Relative Files Record Removal in COBOL
- 8.8Lesson 8: Understanding File Status Codes in COBOL
- 8.9Lesson 9: Mastering SORT and MERGE in COBOL
- 8.10Quiz: Working With Files and Records in COBOL40 Questions
- Module 8 — JCL Made Simple: The Gateway to COBOL Execution7
- 9.1Lesson 1: Understanding JCL and Batch Jobs in the Mainframe Environment
- 9.2Lesson 2: Understanding DD Statements in JCL (Data Definition Statements)
- 9.3Lesson 3: Compiling and Running COBOL Programs on z/OS (Two-Step Job Workflow)
- 9.4Lesson 4: Your First COBOL Run Job — The Simplest JCL Possible
- 9.5Lesson 5: How to Complete the Hands-On Activity Without Access to z/OS, JCL, or a COBOL Compiler
- 9.6Hands-On Activity: Compile and Run Your First COBOL Program
- 9.7Quiz: JCL Made Simple40 Questions
- Module 9 — Calling Subprograms in COBOL6
- 10.1Lesson 1: How CALL and LINKAGE Really Work?
- 10.2Lesson 2: Passing Parameters – BY CONTENT vs. BY REFERENCE
- 10.3Lesson 3: Program Stitching in JCL Execution Chains
- 10.4Hands-On Activity: Build Your First JCL Execution Chain
- 10.5Lesson 4: Returning Values from COBOL Subprograms
- 10.6Quiz: Subprograms & Modularization20 Questions
- Module 10 — Real-World COBOL Projects3
- Knowledge Stack6
- 12.1Mastering COBOL I/O Reserved Words with Flashcards
- 12.2Learning COBOL Structural Reserved Words with Flashcards
- 12.3Building Logic Skills with COBOL Conditional Reserved Word Flashcards
- 12.4Strengthening COBOL Skills with Arithmetic & Data-Manipulation Reserved Word Flashcards
- 12.5The COBOL Word Challenge!
- 12.6The COBOL Hangman Challenge!