Cisco 3825 Software Configuration Guide - Page 47
Cisco IOS Software Basics, Getting Help
UPC - 746320981505
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2 C H A P T E R Cisco IOS Software Basics This chapter describes what you need to know about the Cisco IOS software before you configure the router by using the CLI. This chapter includes the following topics: • Getting Help, this page • Understanding Command Modes, page 2-2 • Undoing a Command or Feature, page 2-3 • Saving Configuration Changes, page 2-3 • Where to Go Next, page 2-3 Understanding this information will save you time as you begin to use the CLI. If you have never used the Cisco IOS software or if you need a refresher, read this chapter before you proceed to Chapter 3, "First-Time Configuration." If you are already familiar with the Cisco IOS software, proceed to Chapter 3, "First-Time Configuration". 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 that you previously entered, press the Up Arrow key. Continue to press the Up Arrow key to see more commands. OL-15667-03 Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide 2-1