I've read that the greatest weakness of solid-state drives is their R/W-cycle-based lifespan. I work with a large number (in the hundreds) of — generally very small — files many times an hour, ...
There is a file in my /opt/local/include folder on OSX that I wish to edit. This is currently set to 'Read only'. So, to allow me to edit, I have selected get info, then under sharing and permissions ...