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The Cisco IOS v1.22 – Aaron Balchunas

* * *

Aaron Balchunas (aaron@routeralley.com),

This material may be copied and used freely, but may not be altered or sold without the expressed written

consent of the owner of the above copyright. Updated material may be found at http://www.routeralley.com.

IOS Command Shortcuts

Shortcuts are allowed on the IOS command-line, as long as the truncated

command is not ambiguous. For example, observe the following commands:

Router# clear

Router# clock

Router# configure

Router# connect

Router# copy

Router# debug

We could use de as a shortcut for the debug command, as no other command

here begins with de. We could not, however, use co as a shortcut, as three

commands begin with those letters. The following error would be displayed:

Router# co

% Ambiguous command: “co”

If you type a command incorrectly, the IOS will point out your error:

Router#

clcok

% Invalid input detected at “^” marker

Keyboard Shortcuts

Several hotkeys exist to simplify using the IOS interface:

Keyboard Shortcut Result

CTRL-B (or Left-Arrow) Moves cursor back one character

CTRL-F (or Right-Arrow) Moves cursor forward one character

CTRL-A Moves cursor to beginning of a line

CTRL-E Moves cursor to end of a line

ESC-B Moves cursor back one word

ESC-F Moves cursor forward one word

CTRL-P (or Up-Arrow) Returns previous command(s) from history buffer

CTRL-N (or Down-Arrow) Returns next command from history buffer

CTRL-Z Exits out of the current mode

TAB Finishes an incomplete command (assuming it is

not ambiguous)

(Reference: http://www.cisco.com/en/US/products/hw/switches/ps708/products_configuration_guide_chapter09186a008007e6d5.html#wp1028871)

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