This new project is not an iOS application; it is a command-line program. Building a command line program will let you focus on Objective-C without the distraction of a user interface. Still, the concepts that you will learn here and in Chapter 3 are critical for iOS development. You will get back to building iOS applications in Chapter 4.
Open Xcode and select File → New → Project.... In the lefthand table in the OS X section, click Application and then select Command Line Tool from the upper panel, as shown in Figure 2.3. Then click Next.
Figure 2.3 Creating a command line tool
On the next sheet, name ...