Specifications

CHAPTER
2-1
Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Software Configuration Guide, Cisco IOS Release 15.1(3)MR
OL-26895-01
2
Cisco IOS Software Basics
This chapter describes the basics of using the Cisco IOS software. Review this information before you
configure the router using the command-line interface (CLI). This chapter includes the following
sections:
Getting Help, page 2-1
Understanding Command Modes, page 2-2
Undoing a Command or Feature, page 2-3
Saving Configuration Changes, page 2-3
For additional information about using the Cisco IOS software, see the Configuration Fundamentals
Configuration Guide, Cisco IOS Release 15.0S.
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.