The performance of today networked operating systems is of paramount importance to the success of applications such as high-volume Web and E-commerce sites and I/O intensive database applications. "Windows 2000 Performance Guide," by Friedman and Pentakalos, must be read by any serious computer professional concerned with the performance of Windows operating systems. The authors have done a superb job of putting into words and pictures the wealth of knowledge they accumulated over the years. The book is extremely well-written, rigorous, easy to read, and covers a wide-range of issues from memory management to file systems, from single disks to disk arrays, from single to multiprocessors, from basic networking to Web servers. This is the definitive guide to Windows 2000 and related operating systems performance.