The basic features of ISPF haven't changed since this book was published in 1990 (although the interface looks somewhat different than what's shown in the examples). So you can still use it to help you master ISPF skills like how to: edit and browse a data set; how use the ISPF utilities to manage data sets and libraries; how to compile, link, and execute programs interactively; how to debug COBOL programs interactively; and how to process batch jobs in a background region.