MACINTOSH COMPUTERS MAY NOT BE AS UBIQUITOUS AS MICROSOFT-BASED PCS, but they represent a significant portion of personal computers. For this reason, it is important that you have at least a basic understanding of the Macintosh operating system and how to conduct forensics on it. In this chapter, you will learn some history of the Macintosh operating system as well as some operating system basics. You will also learn some basic forensic techniques to use on a Macintosh.