The further you dive into the behind-the-scenes processes in Vista, the more you can control your PC's performance and keep the system maintained and running smoothly. It can be tough, though, to weed out the things that you can manipulate to keep your PC humming along. Thankfully, PC Mag has a thorough walkthrough to help you master the OS's Task Manager, Reliability and Performance Monitor, and other Utilities. Start digging into your system and seeing results today.