The following is a list of the typographical conventions used in this
Used to indicate new terms, URLs, filenames, file extensions,
directories, and program names, and to highlight comments in
examples. For example, a path in the filesystem will appear as
- Constant width
Used to show code examples, commands and options, contents of files,
or output from commands.
Constant width bold
Used for emphasis and user input in code.
- Constant width italic
Used in examples and tables to show text that should be replaced with user-supplied values.
You should pay special attention to notes set apart from the text
with the following icons:
This is a tip, suggestion, or general note. It contains useful
supplementary information about the topic at hand.
This is a warning or note of caution, often indicating that your
money or your privacy might be at risk.
The thermometer icons, found next to each hack, indicate the relative
complexity of the hack: