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This chapter describes the function and displays the syntax of each command used to enter and exit the command modes supported by the Cisco Internetwork Operating System (Cisco IOS). For more information about defaults and usage guidelines, see the corresponding chapter of the Router Products Command Reference publication.
disable
To exit privileged EXEC mode and return to user EXEC mode, enter the disable EXEC command.
To enable enhanced editing mode for a particular line, use the editing line configuration command. To disable the enhanced editing mode, use the no form of this command.
enable
To enter privileged EXEC mode, use the enable EXEC command.
end
To exit configuration mode, use the end global configuration command.
exit
To exit any command mode or close an active terminal session and terminate the EXEC, use the exit command at the system prompt.
full-help
To get help for the full set of user-level commands, use the full-help line configuration command.
help
To display a brief description of the help system, enter the help command.
[no] history [size number-of-lines]
To enable the command history function, or to change the command history buffer size for a particular line, use the history line configuration command. To disable the command history feature, use the no form of this command.
| size number-of-lines | (Optional) Number of command lines that the system will record in its history buffer. The range is 0 to 256. |
show history
To list the commands you have entered in the current EXEC session, use the show history EXEC command.
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