The package goes even further. It includes a ready-to-run collection of major mainframe software, such as CICS Transaction Server , Db2 for z/OS , IMS , and the JES2 subsystem , along with modern developer tooling like Git, z/OS Explorer, the RSE API, the IBM z/OS Debugger, and ZOA Utilities. This extended bundle also includes components needed by IBM Wazi Code , making it a cohesive environment for modern, cloud-native development on IBM Z.
Which (e.g., V2R4, V2R5, V3R1) you are targetting. ibm adcd zos
Mastering the IBM ADCD for z/OS: The Ultimate Guide to Mainframe Application Development The package goes even further
Understanding IBM ADCD z/OS: The Foundation for Modern Mainframe Development such as CICS Transaction Server