The following font conventions are used in this book:
CourierUsed for filenames, command names, options, and everything to be typed literally.
Courier ItalicUsed for replaceable text within commands.
- Italic
Used for replaceable text within regular text, Internet URLs, for emphasis, and for new terms when first defined.
- [ ... ]
Identifies optional text; the brackets are not typed.
- CTRL-G
Indicates a keystroke.
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