Cisco 1721 - Manual (Page 14)

Preface
Obtaining Documentation
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Cisco 1721 Router Hardware Installation Guide
78-13834-02
Commands
Table 1 describes the syntax used with the commands in this document.
Obtaining Documentation
Cisco documentation and additional literature are available on Cisco.com. Cisco
also provides several ways to obtain technical assistance and other technical
resources. These sections explain how to obtain technical information from Cisco
Systems.
Table 1 Command Syntax Guide
Convention Description
boldface Commands and keywords.
italic Command input that is supplied by you.
[ ] Keywords or arguments that appear within square
brackets are optional.
{x | x | x} A choice of keywords (represented by x) appears in
braces separated by vertical bars. You must select one.
^ or Ctrl Represent the key labeled Control. For example, when
you read ^D or Ctrl-D, you should hold down the Control
key while you press the D key.
screen font Examples of information displayed on the screen.
boldface screen
font
Examples of information that you must enter.
< > Nonprinting characters, such as passwords, appear in
angled brackets.
[ ] Default responses to system prompts appear in square
brackets.