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| Appendix A What's on the Companion Disk? |

## A.2 Using the Guide

The four buttons on the main menu take you to the companion information for this book.

About the Companion Guide

  A brief description of the contents of this disk.

About the Indexes

  An explanation of the information provided for each file: name, chapter reference, and description. Filenames highlighted in blue indicate that the files are encapsulations of underlying packages or programs (Chapter 1, Introduction explains encapsulation.) The displayed information also explains the meaning of the various file extensions (e.g., spp, sp, sql).

Source Code Index by Filename

  The guide fives you point-and-click access to each of the files on the companion disk. Here the files are listed alphabetically. Source code listings in the book begin with comment lines keyed to these filenames on the disk. Figure A.3 shows a portion of the Source Code Index by Filename.

#### Figure A.3: The Source Code Index by Filename

Source Code Index by Chapter

  Here the files are listed in chapter order to make it easy for you to move between the book and the guide. Figure A-4 shows a portion of the Source Code Index by Chapter.

#### Figure A.4: The Source Code Index by Chapter

A.1 Installing the Guide |  |

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