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Catalyst 4900 Series Switch Installation Guide
78-18039-02
Preface
Command Syntax Conventions
This sectionTable 1 describes the syntax used with the commands in this
document.
Note Means reader take note.
Tip Means the following information will help you solve a problem.
Caution Means reader be careful. In this situation, you might perform an action that could
result in equipment damage or loss of data.
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.