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Learning path

COBOL Developer

Learn COBOL — 220+ billion lines still running banks, airlines, governments. High demand, low supply, well-paying maintenance work.

mixed3 courses20 lessons~5 hoursFree
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Course sequence

  1. 01

    COBOL Fundamentals

    Not started

    Learn COBOL: born in 1959, still running 220+ billion lines of code in banks, airlines, and governments worldwide. Verbose by design — programs read like English. Required reading if you want to maintain the world's financial backbone.

    intermediatecobol6 lessons~2h
  2. 02

    COBOL Intermediate

    Not started

    Level up from COBOL Fundamentals. Group items, OCCURS arrays, level-88 conditions, REDEFINES, PERFORM. The features that COBOL business systems actually use.

    intermediatecobol7 lessons~2h
  3. 03

    COBOL Advanced

    Not started

    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.

    advancedcobol7 lessons~2h

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COBOL Developer