COBOL Tutorial

COBOL Tutorial

COBOL stands for Common Business Oriented Language.The US Department of Defense, in a conference, formed CODASYL (Conference on Data Systems Language) to develop a language for business data processing needs which is now known as COBOL.

COBOL is used for writing application programs and we cannot use it to write system software. The applications like those in defense domain, insurance domain, etc. which require huge data processing make extensive use of COBOL.


This tutorial is designed for software programmers who would like to learn the basics of COBOL. It provides enough understanding on COBOL programming language from where you can take yourself to a higher level of expertise.


Before proceeding with this tutorial, you should have a basic understanding of computer programming terminologies and JCL. A basic understanding of any of the programming languages will help you understand the concepts of COBOL programming and move fast on the learning track.

COBOL Offline Mobile App

COBOL offline Mobile App

Execute COBOL Online

For most of the examples given in this tutorial you will find Try it option, so just make use of this option to execute your COBOL programs at the spot and enjoy your learning.

Try following example using Try it option available at the top right corner of the below sample code box −


   DISPLAY 'Hello World'.