Learn the functions, structures, and major control blocks of the major z/OS Base Control Program (BCP) components and system services. Learn how to identify opportunities and requirements for tailoring the z/OS initialization process and, system environment. There is also an instructor-led online version of this course: z/OS System Services Structure - ILO (EZ200) Training Path  This course is part of an IBM Training Path. Taking this course in the recommended sequence allows you to maximize the benefits from your education. http://www.ibm.com/services/learning/ites.wss/us/en?pageType=page&contentID=a0000625