I just have my anti-virus , crashguard and QuikRes shortcuts there.
Some users only use a maximum setting, others a maximum and minimum setting.
Just experiment and find what's best in your situation. Or use find type sysedit and create a shortcut for easy access. This will increase the amount of free memory available to your system, so that when you open another program it is not paged to disk immediately due to lack of free memory. Just experiment with these settings to find what works best for you. My Computer 2.