Atypical Linux workstation with a graphical desktop has a world of background processes that most people find hard to parse and fully understand. Moreover, randomly killing processes that seem useless or just odd often results in system errors.
A better understanding of what’s what under the hood would come in handy, but traditional UNIX-era tools such as ps or top don’t help much. How about displaying processes as a circle graph? Step forward Pscircle, which gives you a much clearer representation of everything that your system runs.