vii Using This GuideText ConventionsThis guide uses the following text conventions.Warnings, cautions, and notes have the following meanings:WARNINGWarnings alert you to situations that could result in serious personal injury or lossof life.CAUTIONCautions indicate situations that can damage the system hardware or software.Note: Notes give important information about the material being described.n Names of keyboard keys are printed as they appear on the keyboard. For example, Ctrl,Alt, or Enter.n Text or keystrokes that you enter appear as boldface type. For example, type abc123 andpress ENTER.n File names are printed in uppercase letters. For example, AUTOEXEC.BAT.