Mainframe Tutorials
Comprehensive learning resources for mainframe technologies and COBOL programming. From beginner to advanced, we've got you covered.
Featured
COBOL
COBOL Programming: Complete Beginner to Advanced
Master COBOL programming from the ground up with this comprehensive tutorial series. Learn syntax, file handling, structured programming, and advanced techniques.
12 hours
24 lessons
Certificate
cobol-program.cbl
IDENTIFICATION DIVISION.
PROGRAM-ID. HELLO-WORLD.
ENVIRONMENT DIVISION.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 WS-STUDENT-RECORD.
05 WS-STUDENT-ID PIC 9(5).
05 WS-STUDENT-NAME PIC X(20).
05 WS-STUDENT-COURSE PIC X(15).
05 WS-STUDENT-GRADE PIC 9(3).
PROCEDURE DIVISION.
DISPLAY "STUDENT MANAGEMENT SYSTEM".
MOVE 12345 TO WS-STUDENT-ID.
MOVE "JOHN DOE" TO WS-STUDENT-NAME.
MOVE "COBOL BASICS" TO WS-STUDENT-COURSE.
MOVE 095 TO WS-STUDENT-GRADE.
DISPLAY "STUDENT ID: " WS-STUDENT-ID.
DISPLAY "NAME: " WS-STUDENT-NAME.
DISPLAY "COURSE: " WS-STUDENT-COURSE.
DISPLAY "GRADE: " WS-STUDENT-GRADE.
STOP RUN.Browse by Category
Select a category to explore our comprehensive collection of mainframe and COBOL tutorials.
Learning Path Recommendations
Not sure where to start? Follow our recommended learning paths based on your experience level and goals.
Beginner Path
- 1. Introduction to Mainframes
- 2. TSO/ISPF Basics
- 3. JCL Fundamentals
- 4. COBOL Syntax
- 5. Basic File Handling
Intermediate Path
- 1. Advanced COBOL Techniques
- 2. VSAM File Access
- 3. CICS Basics
- 4. DB2 Fundamentals
- 5. Debugging Techniques
Advanced Path
- 1. Performance Optimization
- 2. Enterprise Integration
- 3. Batch Processing
- 4. Modern COBOL Techniques
- 5. Mainframe Security
Ready to Master Mainframe?
Join thousands of developers who are building their careers with our comprehensive mainframe tutorials.