This is a guide for the programmer to AIX 3.x, IBM"s operating system for the RS/6000. The reader is introduced to AIX 3.x as a development environment, from the basics to complex case studies, including advanced aspects. This book is suitable for programmers with only a basic understanding of the UNIX operating system and the C language, who can use it as a self-study aid. Bridging the gap between detailed academic texts and superficial professional ones, it includes exercises, case studies and questions.