Conventions

The following typographic conventions are used in this book:

• Bold is used to draw attention to machine names and other labels you will see. It is also used to highlight words for the first time.
• Italics are used to draw attention to filenames and command names. It is also used to highlight important notes and points.
• Constant Width is used for code and screen examples.
• Constant Width Slant is used for user input in examples. It is also used for electronic mail addresses and URLs.