Unlike PCs, which require manual maintenance to clear temporary file caches, the Mac's UNIX-based operating system is designed to automatically run maintenance and clear temporary files. Emergency ...
How to clear your Mac cache (and why it makes such a big difference when you do) ...
A sluggish Mac is usually not a sign that the hardware has suddenly given up, but that cached data and other temporary files have quietly piled up in the background. Clearing those caches is one of ...