The Terminal application
/Applications/Utilities) is your gateway
between the candy-coated Aqua graphical interface and the no-nonsense
command-line interface that Darwin uses. This book (as well as a lot
of Apple documentation) tends to use the terms command
line and Terminal interchangeably
because, with Mac OS X, to get to the former you must go through the
The Terminal application’s user settings control not just the application’s look and feel, but the ways you interact with your shells. This section covers the more important application preferences to know about.
There are two ways to set a default shell when using your system, which are suggested by the “When creating a new Terminal window” radio buttons found in Terminal’s Preferences window (Terminal→Preferences, -,), seen in Figure 18-1.
Figure 18-1. The Terminal Preferences dialog
The lazier way involves activating the “Execute this command” button and typing a shell’s path into the neighboring text field. Henceforth, whenever you open a new Terminal window, ...