Quick Mac OS X (macOS) Optimization Guide

Gone are the times when you needed to perform cleaning tasks on a regular basis. Nowadays, the hardware is very powerful, and the OS is considerably better optimized. To be fair, OS X has always been a clean system compared to Windows. There was almost no need for HDD defragmentation under OS X. Now, with the SSD becoming standard, you probably know that you should not worry about defragmenting an SSD drive (in fact, it should be avoided at all costs since it can affect drive lifetime if you overdo it). But let's take one thing at a time. In order to tweak and clean an OS X installation, you require some tools, and the good news is that the best are free. Onyx Onyx is the oldest tweaking utility for Mac, and it has always been free. There's a different version for each OS X, from Jaguar (10.2) to El Capitan (10.11), with a version for Sierra (10.12) being in t...