This book uses the following abbreviations:
Hertz (cycles per second), KiloHertz (one thousand Hertz), MegaHertz (one million Hertz), and GigaHertz (one billion, or 109 Hertz).
Bits per second, kilobits (1024 bits) per second, and megabits (1,048,576 bits) per second.
Kilobytes (1024 bytes) per second and megabytes (1,048,576 bytes) per second.
This book uses the following typographic conventions:
Constant width is used for listing the output of command-line utilities and for command names.
Constant width italic
Constant width italic is used to show items that need to be replaced in commands.
Italic is used for emphasis, for first use of a technical term, and for example URLs.
Ellipses indicate text that has been omitted for clarity.