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COBOL Advanced

Beyond COBOL Intermediate. File handling (sequential and indexed), SORT, REDEFINES for memory layout, calling subprograms, copybooks. The features banking and insurance systems use every day.

advanced7 lessons3 chapters7 graded exercisesCOBOL

No sign-up needed for lesson 1 · certificate on completion · sign up to save progress

What you’ll be able to do

Chapter by chapter. Every lesson ends in a graded exercise.

  • Memory and Subprograms
  • SORT and File I/O
  • Modern COBOL and Mainframe Ecosystem
Taught in COBOL, graded on a real executor.

Curriculum

3 chapters, 7 lessons. Each lesson is a short read and a graded exercise.

  1. 1REDEFINES for Memory LayoutRead · exercise
  2. 2Subprograms with CALLRead · exercise
COBOL Advanced