Basics of Running COBOL and JCL

COBOL (Common Business-Oriented Language) and JCL (Job control language) are a double edge tool for fine tuning and executing tasks on Mainframes. Common Business-Oriented Language (COBOL) is a compiled English-like computer programming language designed for business use. It is imperative, procedural and, since 2002, object-oriented. It is primarily used in business, finance, and administrative systems for companies and governments. It is still widely used in legacy applications deployed on mainframe computers, such as large-scale batch...