IBM Enterprise COBOL for z/OS 5.2, 5.1, 4.1, and 3.4 are out of service. Documentation for those versions is provided outside of IBM Documentation.
You can find the PDF version documentation in the Enterprise COBOL for z/OS documentation library.
Take the following steps to set up local information centers on your workstation:
For example, if your IP address is 192.0.0.12 and the port number is 9999, the local information center will be at: http://192.0.0.12:9999/help/index.jsp.
For documentation for current releases of Enterprise COBOL for z/OS, see Enterprise COBOL for z/OS Documentation.
For more lifecycle information about Enterprise COBOL for z/OS, see Support Lifecycle.
The COBOL Migration Portal contains all relevant information about Enterprise COBOL compilers migration.
The IBM Publications Center also provides publications for many older versions of IBM products that are not present in IBM Knowledge Center. These files are available for you to view or download. In a number of countries, you can also order publications on the site. The IBM Publications Center offers customized search functions to help you find publications.