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The information provided with IBM® Enterprise COBOL for z/OS® and Language Environment® is designed to help you install and customize Enterprise COBOL and create COBOL applications for z/OS.

Enterprise COBOL for z/OS publications

Table 1. PDF version documentation for IBM Enterprise COBOL for z/OS 6.5
Title Description Intended audience
Licensed Program Specifications Details the features of Enterprise COBOL for z/OS, specified operating environment for Enterprise COBOL, and industry standards that are supported by Enterprise COBOL. This document is designed to help you to understand warranty information. All the COBOL programmers and system programmers
Program Directory Contains information about the material and procedures associated with the installation of IBM Enterprise COBOL for z/OS. This document is designed to help you to install the compiler under z/OS. System programmers who are responsible for program installation and maintenance
Program Directory (Value Unit Edition) Contains information about the material and procedures associated with the installation of the Value Unit Edition of IBM Enterprise COBOL for z/OS. System programmers who are responsible for program installation and maintenance
Migration Guide Provides details to help you migrate to the latest versions of IBM Enterprise COBOL. This document is designed to help you understand product changes and upgrade source to the latest version of Enterprise COBOL for z/OS.
Note: If you have not yet migrated your runtime library to Language Environment, see Chapter 3. Planning the move to Language Environment in the Enterprise COBOL 4.2 Compiler and Runtime Migration Guide.
All the COBOL programmers and system programmers
Customization Guide Provides information needed to plan for and customize Enterprise COBOL under z/OS. This information can also help you assess the value of Enterprise COBOL to your organization. This document is designed to help you customize Enterprise COBOL for z/OS. System programmers who are responsible for customizing Enterprise COBOL
Programming Guide Contains guidance for writing and compiling application programs for z/OS using IBM Enterprise COBOL. It also describes the operating system features that you might need to optimize program performance or handle errors. This document is designed to help you prepare and test your programs and get details about compiler options. All the COBOL programmers and system programmers
Language Reference Provides syntax and semantic information about IBM's implementation of the COBOL language, including rules for writing source programs and descriptions of IBM language extensions. This document is designed to help you get details about COBOL syntax and specifications of language elements. All the COBOL programmers and system programmers
Performance Tuning Guide Identifies key performance benefits and tuning considerations when using IBM Enterprise COBOL. This document is designed to help you know key performance benefits and tuning considerations when using Enterprise COBOL for z/OS. COBOL programmers who would like to take further advantage of the compiler's capabilities for COBOL program optimization and tuning
Messages and Codes Contains information to help you understand certain COBOL compiler messages and return codes to diagnose problems. This document is designed to help you understand COBOL compiler messages and return codes to diagnose problems. COBOL programmers who would like to diagnose problems when getting COBOL compiler messages

Language Environment element of z/OS publications

Table 2. The Language Environment element of IBM Enterprise COBOL for z/OS publications
Title Description
Language Environment Concepts Guide Evaluate the product.
z/OS Program Directory Install Language Environment.
Language Environment Programming Guide Understand Language Environment program models and concepts.
Language Environment Programming Reference Find syntax for Language Environment runtime options and callable services.
Language Environment Debugging Guide Debug applications that run with Language Environment.
Language Environment Runtime Messages Get details about runtime messages, and diagnose problems with Language Environment
Language Environment Runtime Application Migration Guide Migrate applications from one release of Language Environment to another.
Language Environment Writing Interlanguage Communication Applications Develop interlanguage communication (ILC) applications.
Common Debug Architecture User's Guide Learn about the concepts and use of Common Debug Architecture (CDA).
Common Debug Architecture Library Reference Get details about APIs in the Debug Data Program Information library (llibddpi).
DWARF/ELF Extensions Library Reference Get details about the IBM extensions to the DWARF and ELF APIs in the DWARF 4 standard.