This tool gathers information about your computer and makes it available in your menu bar. View detailed information about your OS, CPU, uptime, memory usage, network interfaces, loaded kernel extensions, batteries, power adapters, UPS devices, USB devices, FireWire devices, mounted volumes and running applications. You can also send signals to, hide or show, bring to front, quit, or reveal applications in the Finder. You can even pause applications to save valuable CPU cycles.