Learn COBOL

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Learning Track

Learn COBOL on your phone with Yolmo. Interactive lessons, quizzes, and a mobile playground for legacy business applications still running banks and governments.

Language: COBOL
Level: Beginner
Lessons: 27
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Yolmo’s COBOL learning track teaches the fundamentals of this enduring business language through short, interactive playgrounds — write code, run it instantly, and check your understanding with quizzes.

What you’ll learn

  • Introduction to Cobol Basics
  • Understanding Divisions and Data
  • More on Divisions and Data
  • Characters and Numbers
  • Hands-on lessons such as Welcome, Hello World, Hello Missing Period

Why learn COBOL with Yolmo

Most COBOL tutorials assume a desktop toolchain. Yolmo puts a COBOL playground in your pocket: open the track in Discover, follow the lesson, run the code, and take the quiz — all without installing a compiler or IDE.

This track includes 27 lessons across 9 modules, designed for mobile-first practice.

Start in the app

Open the COBOL track from Discover in Yolmo, or scan the QR code on this page to jump straight in.

Explore more learning tracks
Browse every language track on Discover, or catch themed playgrounds in Spotlight.