Another option is to place the system monitor on a panel. To do this
right click on the panel where you want to install it and select "add
to panel" from the menu.
Then scroll down to System & Hardware, click on System Monitor, then
chose add from the bottom of the screen. If you then right click on
the new panel icon and choose preferences you will be given options of
6 system resources which you can have continuously monitored on you
panel at all times.