This document uses the following typographical
conventions:
Book
title | The title of a book.
On the web, this can be a hyperlink to the book itself.
|
Command
| A command name or command
phrase, for example ls -a.
|
Computer output
| Information displayed
by the computer.
|
Ctrl+x or Ctrl+x | A key sequence that
indicates you must hold down the keyboard key labeled Ctrl while you press the letter x.
|
ENVIRONMENT
VARIABLE
| The name of an environment
variable, for example, PATH.
|
Key | The name of a keyboard
key. Return and Enter both
refer to the same key.
|
Term | A term or phrase that
is defined in the body text of the document, not in a glossary.
|
User input | Indicates commands and
text that you type exactly as shown.
|
Replaceable | The name of a placeholder
that you replace with an actual value.
|
[ ] | In command syntax statements,
these characters enclose optional content.
|
{ } | In command syntax statements,
these characters enclose required content.
|
| | The character that separates
items in a linear list of choices.
|
... | Indicates that the preceding
element can be repeated one or more times.
|
WARNING | An alert that calls
attention to important information that, if not understood or followed,
results in personal injury.
|
CAUTION | An alert that calls
attention to important information that, if not understood or followed,
results in data loss, data corruption, or damage to hardware or software.
|
IMPORTANT | An alert that calls
attention to essential information.
|
NOTE | An alert that contains
additional or supplementary information.
|
TIP | An alert that provides
helpful information.
|