Display amount of disk available for use

[jonathonl]

For a further herculean effort by Airy to solve this, see also

System Monitoring and Charting Group

Today I wrote a set of macros that will let you monitor and chart a set of system settings. Most of these macros also remember their data and give you the option to chart them over time, or clear the accumulated data. By default this group will display the total amount of free disk space on the System Menu, but if you click on that menu item you will see several more choices that you can choose from. Hopefully this upload has worked. I'll check it to see. Yes, I think I managed to upload an en…