Memory Clean is an app for optimizing your Mac's memory and is best used after you have finished using a memory (RAM) intensive app or game. It replicates the feeling of a fresh system restart. Memory Clean 3 is an absolutely gorgeous, extremely powerful and super slick app for optimizing your Mac's memory. The app replicates the feeling of a fresh system restart and helps to keep your Mac running smooth and fast. Buy for US$9.99.
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.
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
Cleaner App For Mac
Most of those cleaning programs are junk, especially MacKeeper.
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.
Download final cut pro for mac. CCleaner beta is out for OS X, used on PC's and combines cleaning and scrubbing of the drive if setup correctly.
Macbook Memory Clean App
If your interested in performance, read my post here
Memory Clean App Mac
Is Memory Clean Safe For Mac
Oct 1, 2011 12:37 AM