Rudy Chukran has been working with AIX since its creation in 1983. Currently, he works for IBM as a technical consultant advising customers using the AIX system platform. His advice covers all aspects of troubleshootingaefrom solving compiler problems to analyzing system performance problems. In addition, he has presented numerous professional seminars on AIX performance. Some of the companies that have taken advantage of his expertise are Oracle, Informix, Sybase, SDRC, Dow Jones, Halliburton, and Computervision.