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CCNA 7.5.c: File system management

Overview:

A basic set of commands can be used to manipulate files on your routing device using the Cisco IOS File System (IFS)

Study Notes:

copy
To copy files between directories (flash, slot0) or external servers (TFTP, FTP)

Router#copy run start
Router#copy flash: tftp:

delete
To delete a file from a Flash memory device or NVRAM

Router#delete flash:

dir
To display a list of files on a file system

Router#dir flash:
Router#dir /all flash:

erase
To erase all files in a file system. The files are unrecoverable once erased.

Router#erase flash:

erase bootflash
Erases the bootflash: file system

Router#erase bootflash
Router#erase bootflash:

file prompt
To specify the level of prompting

Router#file prompt alert
Router#file prompt noisy
Router#file prompt quiet

format
To format a file system

Router#format flash:

fsck
To check a file system for damage and repair any problems

Router#fsck flash:

mkdir
To create a new directory

Router#mkdir newdir

more
To display a file

Router#more flash:startup-config

rename
To rename a file system

Router#rename flash:vlan.dat flash:vlan.dat.backup

rmdir
To remove an existing directory

Router#rmdir flash:mydir

show file descriptors
To display a list of open file descriptors

Router#show file descriptors

show file information
To display information about a file

Router#show file information flash:startup-config

show file systems
To list available file systems

Router#show file systems

squeeze
To permanently erase files tagged as "deleted" or "error"

Router#squeeze flash:

undelete
To recover a file marked "deleted". Run the dir /all command first to get the index number of the files

Router#undelete <index-number> flash:

write
Deprecated across the board

Router#write erase
--replaced by--
Router#erase nvram:

Router#write memory
--replaced by--
Router#copy run start

Router#write terminal
--replaced by--
Router#more system:running-config