I’ve used a variety of elements to help keep the text clear and easy to follow. You’ll find code terms and listings in monospace type, except when I tell you to actually type a command. In that case, the command appears in bold type. When I introduce and define a new term, I put it in italics.
Other conventions include:
Notes. To provide details on a point that needs emphasis
Best Practices. To examine the best technique to use when working with advanced configuration and administration concepts
Cautions. To warn you of potential problems you should look out for
Real World. To provide real-world advice for advanced topics
Security Alerts. To point out important security issues
Tips. To offer helpful hints or additional information ...