%
,
$
, or
#
A percent sign represents the C shell system prompt. A dollar
sign represents the system prompt for the Bourne, Korn, and
POSIX shells. A number sign represents the superuser prompt.
audit(5)
A manpage. The manpage name is audit, and it is located in
Section 5.
Command
A command name or qualified command phrase.
Computer output
Text displayed by the computer.
Ctrl+x
A key sequence. A sequence such as
Ctrl+x
indicates that you
must hold down the key labeled
Ctrl
while you press another
key or mouse button.
ENVIRONMENT VARIABLE
The name of an environment variable, for example,
PATH
.
[ERROR NAME]
The name of an error, usually returned in the
errno
variable.
Key
The name of a keyboard key.
Return
and
Enter
both refer to the
same key.
Term
The defined use of an important word or phrase.
User input
Commands and other text that you type.
Variable
The name of a placeholder in a command, function, or other
syntax display that you replace with an actual value.
[]
The contents are optional in syntax. If the contents are a list
separated by |, you must choose one of the items.
{}
The contents are required in syntax. If the contents are a list
separated by |, you must choose one of the items.
...
The preceding element can be repeated an arbitrary number of
times.
Indicates the continuation of a code example.
|
Separates items in a list of choices.
WARNING
A warning calls attention to important information that if not
understood or followed will result in personal injury or
nonrecoverable system problems.
CAUTION
A caution calls attention to important information that if not
understood or followed will result in data loss, data corruption,
or damage to hardware or software.
IMPORTANT
This alert provides essential information to explain a concept or
to complete a task
NOTE
A note contains additional information to emphasize or
supplement important points of the main text.
86
Support and other resources