Learn MODULA2 with Real Code Examples
Updated Nov 21, 2025
Learning Path
Learn basic Pascal syntax
Understand modules and separate compilation
Practice writing procedures and functions
Explore records, arrays, and pointers
Build small modular projects
Skill Improvement Plan
Week 1: Variables, types, and control structures
Week 2: Procedures, functions, and modules
Week 3: Records, arrays, and pointers
Week 4: Multi-module projects and linking
Week 5: Systems programming exercises
Interview Questions
What is Modula-2 and how does it differ from Pascal?
Explain the module system in Modula-2.
How do you handle pointers and records?
Describe separate compilation and linking in Modula-2.
What are typical applications of Modula-2?
Cheat Sheet
MODULE Name; … END Name. - define module
IMPORT ModuleName; - use another module
VAR x: INTEGER; - declare variable
PROCEDURE Foo(); - define procedure
BEGIN … END; - block or program body
Books
Programming in Modula-2 by Niklaus Wirth
Modula-2: An Introduction to Modular Programming
The Programming Language Modula-2
Structured Programming with Modula-2
Systems Programming in Modula-2
Tutorials
Basic Modula-2 syntax and types
Procedures, functions, and control flow
Module interface and implementation
Records, arrays, sets, and pointers
Building multi-module programs
Official Docs
Niklaus Wirth Modula-2 publications
ISO/IEC 10514 standard documents
Compiler manuals (XDS Modula-2, GNU Modula-2)
Community Links
Modula-2 mailing lists
Academic forums for structured programming
GitHub repositories for Modula-2 projects
Compiler-specific forums
University course materials
Community Support
Modula-2 mailing lists
Academic forums and university courses
Legacy compiler communities
GitHub and source archives for reference
Documentation from Niklaus Wirth and ETH Zurich