? :

Gives you a help screen. [TOC]

Backspace :

Deletes a single character. [TOC]

Bandwidth :

Sets the bandwidth on a serial interface. [TOC]

Banner :

Creates a banner for users who log in to the router. [TOC]

clear counters :

Clears the statistics from an interface. [TOC]

Clock rate :

Provides clocking on a serial DCE interface. [TOC]

Config memory :

Copies the startup-config to running-config. [TOC]

Config network :

Copies a configuration stored on a TFTP host to running-config. [TOC]

Config terminal :

Puts you in global configuration mode and changes the running-config. [TOC]

Copy run start :

Short for copy running-config startup-config. Places a configuration into NVRAM. [TOC]

Ctrl+A :

Moves your cursor to the beginning of the line. [TOC]

Ctrl+D :

Deletes a single character. [TOC]

Ctrl+E :

Moves your cursor to the end of the line. [TOC]

Ctrl+F :

Moves forward one character. [TOC]

Ctrl+R :

Redisplays a line. [TOC]

Ctrl+U :

Erases a line. [TOC]

Ctrl+W :

Erases a word. [TOC]

Ctrl+Z :

Ends configuration mode and returns to EXEC. [TOC]

Description :

Sets a description on an interface. [TOC]

Disable :

Takes you from priviledge mode back to user mode. [TOC]

Enable :

Puts you into priviledge mode. [TOC]

Enable password :

Sets the unencrypted enable password. [TOC]

Enable secret :

Sets the encrypted enable secret password. Supersedes the enable password if set. [TOC]

Erase startup :

Deletes the startup-config. [TOC]

ESC+B :

Moves back one word. [TOC]

ESC+F :

Moves forward one word. [TOC]

Exec-timeout :

Sets the timeout in seconds and minutes for the consol connection. [TOC]

Hostname :

Sets the name of a router. [TOC]

Interface :

Puts you in interface configuration mode. Also used with show commands. [TOC]

Interface fastethernet 0/0 :

Puts you in interface configuration mode for a FastEthernet port.
Also used with show commands. [TOC]

Interface fastethernet 0/0.1 :

Creates a subinterface. [TOC]

Interface serial 5 :

Puts you in interface configuration mode for serial 5 and can be used for show commands. [TOC]

Ip address :

Sets an IP address on an interface. [TOC]

Line :

Puts you in configuration mode to change or set your user mode passwords. [TOC]

Line aux :

Puts you in the auxiliary interface configuration mode. [TOC]

Line consol 0 :

Puts you in configuration mode. [TOC]

Line vty :

Puts you in VTY (telnet) interface configuration mode. [TOC]

Logging synchronous :

Stops console messages from overwriting you command-line input. [TOC]

Logout :

Logs you out of your console session. [TOC]

Media-type :

Sets the hardware media type on an interface. [TOC]

No shutdown :

Turns on an interface. [TOC]

Ping :

Tests IP connectivity. [TOC]

Router rip :

Puts you in router rip configuration mode. [TOC]

Service password-encryption :

Encrypts the user mode and enable passwords. [TOC]

Show controllers s 0 :

Shows the DTE and DCE status of an interface. [TOC]

Show history :

Shows you the last 10 commands entered by default. [TOC]

Show interface s0 :

Shows the statistics of interface serial 0. [TOC]

Show run :

Short for show running-config. Shows the configuration currently running on the router. [TOC]

Show start :

Short for show startup-config. Shows the backup configuration stored in NVRAM. [TOC]

Show terminal :

Shows you your configured history size. [TOC]

Show version :

Shows you statistics of the router. [TOC]

Shutdown :

Puts an interface in administratively-down mode. [TOC]

Tab :

Finishes typing a command for you. [TOC]

Telnet :

Tests IP connectivity and configures a router. [TOC]

Terminal history size :

Changes your history size from the default of 10 up to 256. [TOC]

Trace :

Tests IP connectivity. [TOC]