Computer users expect their systems to work well at all times, but unfortunately this isn’t always the case. If your system becomes slow, there certainly is something you can do about it. This article will help you understand what’s happening on the system, whether it’s the computer in front of you or a system you’re accessing remotely. Naturally, I presume you’re running Linux, and the tools described here are Linux tools. If you’re on some other weird system ( ;) ), your mileage may vary.