Preface 13
• Technical information files—sometimes called “readme” files—that might be
installed on the hard-disk drive to provide last-minute updates about technical
changes to the system or advanced technical reference material intended for
experienced users or technicians.
• Documentation updates that are sometimes included with the system to describe
changes to the system or software. Always read t h ese updates before consulting any
other documentation. These updates often contain information that supersedes the
information in the other documents.
Notational Conventions
The following subsections describe notational conventions used in this document.

Notes, Notices, Cautions, and Warnings

NOTE: A NOTE indicates important information that helps you make better use of your
computer.
NOTICE: A NOTICE indic ates either potential dama ge to hardwa re or loss of dat a and tells you
how to avoid the problem.
CAUTION: A CAUTIO N ind icates a poten tially hazar dous s ituatio n whic h, if not
avoided, may result in minor or moderate injury.
WARNING: A WARNING indicates a potentially hazardous situation which, if not
avoided, may result in severe injury.
Some warnings may appear in alternate formats and may be unaccompanied by an icon. In
such cases, the specific presentation of the warning is mandated by regulatory authority.

Typographical Conventions

The following list defines (where appropriate) and illustrates typographical conventions
used as visual cues for specific elements of text throughout this document:
•Keycaps, the labeling that appears on the keys on a keyboard, are enclosed in angle
brackets.
Example: <Enter>
•Key combinations are series of keys to be pressed simultaneously (unless otherwise
indicated) to perform a single function.
• Exampl e: <Ctr l><Alt><Ent er>