The IOS file system consists of a number of devices and psuedo-devices which store interesting and useful information pertaining to the operation of an IOS device. The specific device availability varies by platform. There are a family of IOS commands designed to operate on IFS entities (like dir, erase, copy, etc).
IOS File System Types Filesystem | Usage | Description | Available platforms |
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nvram: | nvram: | Storage of configuration information | All |
flash: | flash[:partition:]path/filename | On-board flash memory | |
disk[0-1]: | disk[0-1]:path | Local rotating disk drive, specified by number | |
slot[0-1]: | slot[0-1]:path | Flash card in PCMCIA slot | PCMCIA flash slot platforms |
tftp: | tftp://IP-address/path/file | TFTP service to a remote file | all |
ftp: | ftp://IP-address/path/file | FTP service to a remote file | all |
rcp: | rcp://IP-address/path/file | RCP service to a remote file | |
bootflash: | bootflash: | Boot Flash memory (holding the minimum boot image) | |
null: | null: | Discards the copy stream | |
slavenvram: | slavenvram: | NVRAM on the slave RSP | HSA RSP cards |
slavebootflash: | slavebootflash: | Bootflash on the slave RSP | HSA RSP cards |
slaveslot[0-1]: | | | |
slaveslot1: | | | |
xmodem: | | | |
ymodem: | | | |
system: | | | |
flh: | | | |
pram: | | | |