如何清除配置文件

 
R1841#erase ?
  /all                       Erase all files(in NVRAM)
  /no-squeeze-reserve-space  Do not reserve space for squeeze operation
  nvram:                     Filesystem to be erased
  startup-config             Erase contents of configuration memory
 
R1841#write ?
  core      Write Core File
  erase     Erase NV memory
  memory    Write to NV memory
  mib-data  Write MIB persistence data to NV memory
  network   Write to network TFTP server
  terminal  Write to terminal
 
R1841#erase startup-config
Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]
[OK]
Erase of nvram: complete
 
直接重启机器(开关电源)
         --- System Configuration Dialog ---
 
Would you like to enter the initial configuration dialog? [yes/no]: n
 
 
Press RETURN to get started!
 
 
*Jun  3 05:27:04.227: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to down
*Jun  3 05:27:04.367: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down
*Jun  3 05:30:47.439: %IP-5-WEBINST_KILL: Terminating DNS process
*Jun  3 05:30:48.579: %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to administratively down
*Jun  3 05:30:48.579: %LINK-5-CHANGED: Interface FastEthernet0/1, changed state to administratively down
*Jun  3 05:30:53.759: %SYS-5-RESTART: System restarted --
Cisco IOS Software, 1841 Software (C1841-IPBASE-M), Version 12.4(15)T10, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Mon 14-Sep-09 12:41 by prod_rel_team
*Jun  3 05:30:53.763: %SNMP-5-COLDSTART: SNMP agent on host Router is undergoing a cold start
Router>
Router>en
Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.

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