Conventions

The following table describes the conventions used in this book:

Convention	Meaning
[ ]	Brackets are used when describing optional parts of a command.
arguments	In a command description, text in italics represents information you enter. Elsewhere, italics is used for emphasis.
Bold text	In a command description, bold text represents keywords or options that must be entered exactly as displayed. Elsewhere, it represents words that are used in a programmatic way rather than their normal way.
Example text	In program listings, this represents a program or something you’d enter in response to a shell or CLI prompt. Bold text here indicates exactly what you should type. If you’re viewing this information online, example text is in color.
	This graphic symbol indicates that the information that follows — which is printed in bold—is a note or warning .