conky, a light-weight system monitor

You might have seen some screenshots from desktops with a full scale system monitor running on them. They usually have some CPU load monitor, memory usage, running task list ...
One good example of such an application is "conky". conky is a light-wight system monitor.
As usual you can either install it using mighty "synaptic" or use command line in terminal.
In termminal type:
sudo apt-get install conky

then in terminal type:
conky &

You will get the list of options and detailed explanations by typing:
man conky