Cisco Systems ASR 9000 Manual De Usuario

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Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
OL-17502-01
Chapter 5      CLI Tips, Techniques, and Shortcuts
Command History
To delete a specific alias, type the no form of the alias command with the alias name.
Keystrokes Used as Command Aliases
The system can be configured to recognize particular keystrokes (key combination or sequence) as 
command aliases. In other words, a keystroke can be set as a shortcut for executing a command. To 
enable the system to interpret a keystroke as a command, use the Ctrl-V or Esc, Q key combination 
before entering the command sequence.
Command History
The Cisco IOS XR software lets you display a history of the most recently entered and deleted 
commands. You can also redisplay the command line while a console message is being shown. The 
following sections describe the command history functionality:
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Note
To roll back to a previously committed configuration, see the 
Viewing Previously Entered Commands
The Cisco IOS XR software records the ten most recent commands issued from the command line in its 
history buffer. This feature is particularly useful for recalling long or complex commands or entries, 
including access lists. 
To display commands from the history buffer, type the show history command as follows:
RP/0/RSP0/CPU0:router# show history
  show configuration history commit 
  show configuration commit list
  sho config commit changes 1000000001
  show history
Recalling Previously Entered Commands
The Cisco IOS XR software records the ten most recent commands issued from the command line in its 
history buffer. This feature is particularly useful for recalling long or complex commands or entries, 
including access lists. 
To recall commands from the history buffer, use one of the commands or key combinations listed in