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Cisco IAD2430 Series Integrated Access Devices Software Configuration Guide
OL-4306-03
Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics
Understanding Cisco IOS Software Basics
Understanding these concepts will save time as you begin to use the CLI. If you have never used
Cisco IOS software or if you need a refresher, take a few minutes to read this chapter before you proceed
to the next chapter.
Note
For a comprehensive view of Cisco IOS configuration fundamentals, see the
Cisco IOS Configuration
Fundamentals Configuration Guide, Release 12.4
document.
If you are already familiar with Cisco IOS software, proceed to
Chapter 2, “Using the setup Command
Facility.”
Getting Help
Use the question mark (?) and arrow keys to help you enter commands:
•
For a list of available commands, enter a question mark:
Router>
?
•
To complete a command, enter a few known characters followed by a question mark (with no space):
Router>
s?
•
For a list of command variables, enter the command followed by a space and a question mark:
Router>
show ?
•
To redisplay a command you previously entered, press the Up arrow key. You can continue to press
the Up arrow key for more commands.