OpenVMS Alpha and Internal Data Structures: Memory Management updates to a selected part of the book OpenVMS AXP Internal and Data Structure Version 1.5 (Digital Press, 1994). This system emphasizes data structures and their manipulation by paging and swapping routines and related system services. It also describes the dynamic memory management, such as nonpaged pool, and support for uniform memory access (NUMA) platform. This book is intended for system programmers, technical consultants, application designers, and others interested in studying the progression of computer details of the OpenVMS executive.