Mac's don't need defragging as OS X automatically writes 2Gb or below sized files to one contiguous space on the drive. There are certain cases where's it's needed to free up a large spaces on the drive, but not something everyone has to do.

Here is a list of the Best Free MAC Cleaner software.Using these you can choose the option to clean MAC of the unnecessary files.These contain several tools to get rid of unwanted junk, like: app cleaner for MAC to clean MAC apps, memory clean MAC to clean memory of your MAC, clean up MAC hard drive, and Disk clean MAC. CCleaner for Mac! Clean up your Mac and keep your browsing behaviour private with CCleaner, the world's favourite computer cleaning tool. OnyX is one of the best free MAC cleaner software that can be used to clean your MAC. Here you can perform a number of tasks that can help you clean and optimize your MAC. This helps you perform a number of tasks that are not easily accessible. It can also be used to Secure Clean MAC hard drive.

Far as other Mac maintainence, there really isn't any except to backup one's files regularly. Keeping Software Updated and run a web browser check to make sure the plug-ins are current.

For Safari and Flash, this check is more accurate

Most of those cleaning programs are junk, especially MacKeeper.

Best Free Mac Cleaner App Store

If your friend got onto your computer and visited a bunch of adult sites, then I would recommend something like OnyX, doing ALL the cleaning and maintenance aspects and rebooting, perhaps followed by a Disk Utility Erase free space.

CCleaner beta is out for OS X, used on PC's and combines cleaning and scrubbing of the drive if setup correctly.

Is There A Free Mac Cleaner

If your interested in performance, read my post here

Best Free Mac Cleaner App 2020

Best Mac Cleanup App

Oct 1, 2011 12:37 AM