Convention
Meaning
boldface
Boldface type indicates graphical user interface elements associated
with an action or terms defined in the text.
italic
Italic type indicates book titles, emphasis, or placeholder variables for
which you supply particular values.
Monospace type indicates commands within a paragraph, URLs, code
monospace
in examples, text that appears on the screen, or text that you enter.
# prompt
The pound (#) prompt indicates a command that is run as the root user.
Preface
xxvii
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