his IBM Redbook is designed as a study guide for professionals wishing to prepare for the certification exam (Test 222) to achieve: IBM Certified Specialist eServer p5 and pSeries Administration and Support for AIX 5L Version 5.3. The certification validates a broad scope of AIX 5L administration, support, problem determination skills, and the ability to perform general AIX 5L software system maintenance.This redbook helps AIX 5L professionals seeking a comprehensive and task-oriented guide for developing the knowledge and skills required for the certification. It is designed to provide a combination of theory and practical experience needed for a general understanding of the subject matter.This redbook does not replace practical experience you should have, but is an effective tool that, when combined with education activities and experience, should prove to be a very useful preparation guide for the exam. Due to the practical nature of the certification content, this publication can also be used as a desk-side reference. So, whether you are planning to take the eServer p5 and pSeries Administration and Support for AIX 5L Version 5.3 certification exam, or if you just want to validate your AIX 5L skills, this redbook is for you.