| ^ or Ctrl
|
Both the
^ symbol and Ctrl represent the Control (Ctrl) key on
a keyboard. For example, the key combination
^D or
Ctrl-D means that you hold down the Control key while
you press the D key. (Keys are indicated in capital letters but are not case
sensitive.)
|
|
bold font
|
Commands and keywords and user-entered text appear in
bold font.
|
|
Italic
font
|
Document titles, new or emphasized terms, and arguments for
which you supply values are in
italic font.
|
| Courier font
|
Terminal sessions and information the system displays appear
in
courier font.
|
| Bold Courier font
|
Bold Courier font indicates text that the user must enter.
|
| [x]
|
Elements in square brackets are optional.
|
| ...
|
An ellipsis (three consecutive nonbolded periods without
spaces) after a syntax element indicates that the element can be repeated.
|
| |
|
A vertical line, called a pipe, indicates a choice within a
set of keywords or arguments.
|
| [x | y]
|
Optional alternative keywords are grouped in brackets and
separated by vertical bars.
|
| {x | y}
|
Required alternative keywords are grouped in braces and
separated by vertical bars.
|
| [x {y | z}]
|
Nested set of square brackets or braces indicate optional or
required choices within optional or required elements. Braces and a vertical
bar within square brackets indicate a required choice within an optional
element.
|
| string
|
A nonquoted set of characters. Do not use quotation marks
around the string or the string will include the quotation marks.
|
| < >
|
Nonprinting characters such as passwords are in angle
brackets.
|
| [ ]
|
Default responses to system prompts are in square brackets.
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| !, #
|
An exclamation point (!) or a pound sign (#) at the
beginning of a line of code indicates a comment line.
|