You may have heard that in order to keep your Mac running in tip top shape, you need to perform regular maintenance routines on it to clear out caches and other temporary items. These can be useful at times, especially if your system is showing problems with specific applications or services; however, clearing caches, log files, and other so-called “maintenance” routines regularly will often have no effect on the system and may sometimes be entirely unnecessary steps to take. Continue reading
The only ‘required’ maintenance for your Mac
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When you purchase a thumb drive or hard drive and attach or install it in your Mac, you likely will be able to use it right away; however, depending on the uses you intend for the drive, its default setup may not be the most optimal.
Even though formatting advances like 
One useful feature in OS X is support for disk images. These are container files that commonly end in the .dmg suffix, which represent virtual disks to the operating system when opened. By double-clicking these files, the system will mount them just as if you attached an external drive, and then allow you to copy files to and from them.