## Conventions

The following notes will be used throughout the book:

A note presents interesting, sometimes technical, pieces of information related to the surrounding discussion.

A tip offers advice or an easier way of doing something.

A caution alerts the reader to potential problems and helps avoid them.

A warning advises the reader of a hazard that may arise in a given scenario.

Cross-reference conventions for print will be displayed as follows:

- Links to other documents or websites will look like this.

PDF, HTML, and XHTML versions of this document will use hyperlinks to handle cross-referencing.

Type conventions will be displayed as follows:

- File names or paths to directories will be shown in `monospace`.

- Commands that you type at a Terminal command prompt will be shown as:

      command to type

- Options that you click, select, or choose in a user interface will look like this.

Menu selections, mouse actions, and keyboard short-cuts:

- A sequence of menu selections will be displayed as follows: File → Open

- Mouse actions shall assume a right-handed mouse configuration. The terms «click» and «double-click» refer to using the left mouse button. The term «right-click» refers to using the right mouse button. The term «middle-click» refers to using the middle mouse button, pressing down on the scroll wheel, or pressing both the left and right buttons simultaneously, based on the design of your mouse.

- Keyboard shortcut combinations will be displayed as follows: Ctrl+N .Where the conventions for «Control», «Shift,» and «Alternate» keys will be Ctrl, Shift, and Alt, respectively, and shall mean the first key is to be held down while pressing the second key.

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