Monitorwarns you when Windows 3.x is low on resources
Monitor, 50Kb
Here are some explanations of the things Monitor monitors:
memory-- or RAM. This is your physical memory (on the memory chips) plus "virtual" memory (disk space set aside for windows to use as if it were physical memory). Running out of physical memory will make windows swap a lot to virtual memory, slowing down the system enormously. It's hard to say where to set the memory warning. Setting it at the end of physical memory doesn't work because windows uses up some "virtual memory" under certain circumstances even when there's plenty of physical memory. I suggest at about 30% of your total memory.
free disk space-- The amount of space left on your hard disk. Kind of important because problems are gonna crop up if you run out.
GDI and User memories-- GDI and User are two pieces of windows itself that each have 64K of memory allocated to them. Unfortunately, you can run out of these memories when running lots of stuff. Monitor has another display, System, which always shows the lesser of these two values.
You can set the warning levels to anything you want, and you can pick one thingy to display on the icon so it's visible at all times. Well, as long as your icons don't get buried under windows like mine do.