Like Windows, the Mac system generates a lot of junk files in the process of running too. To find a good Mac system cleaning tool, many people would recommend CleanMyMac to you, which currently has the best reputation, strength and sales volume in the market. It can be regarded as an edge tool for cleaning and optimizing the Mac OS.

Programming in Objective-C is a concise and meticulous bestseller in the field of Objective-C programming, which covers the latest information on Xcode, Mac OS X Mavericks, and iOS. It detailedly introduces the Objective-C language and the object-oriented programming mode on Apple's iOS and Mac OS X platforms.

Parallels Desktop for Mac is an extremely excellent virtual machine software running on Mac OS - proven, trusted and widely praised. It allows users to easily, seamlessly run Windows, Linux and other operating systems or applications at the same time under Mac OS X, saving the users' trouble of repeatedly rebooting the computer in order to switch between different OS.