Hardware and software requirements Pre-installation checklist Overview of installation steps Step 1: Preparing the installation datasets Step 2: Running the installation REXX Step 3: Submitting installation batch jobs Step 4: Specifying authorized functions to z/OS     Activating authorized functions (Beta SVC) in z/OS Defining the subsystem ID to z/OS and initializing the subsystem     IEFSSNxx entry for defining/initializing subsystem at IPL     SETSSI command for defining/initializing subsystem dynamically     BST01ARI: Initializing subsystem and security environment     Security definitions required for subsystem initialization