Throughout the book, special typefaces indicate code or commands. Commands and code are shown in monospace type:
This is how code looks.
In the event that an example includes both input and output, monospace is still used, but input is presented in bold type to distinguish the two. Here is an example:
$ ftp ftp.handsonhistory.com Name (home:jake): jake Password: ******
The following boxes are used to call your attention to points that are particularly important.
A Note box provides extra information to which you need to pay special attention.
A Tip box shows a special way of performing a particular task.
A Caution box alerts you to take special care when executing a procedure, or damage to your computer hardware or software could result.
A Cross-Reference box refers you to further information on a subject that you can find outside the current chapter.