2360 CHAPTER 155: FILE S YSTEM CONFIGURATION COMMANDSBy default, a storage device is in the mounted state, that is, you can use it withoutmounting it.Note that:■ Do not remove the storage device or swap the board when mounting orunmounting the device, or when you are processing files on the storage device.Otherwise, the file system could be damaged.■ When a storage device is connected to a low version system, the system maynot be able to recognize the device automatically, you need to use the mountcommand for the storage device to function normally.■ Before removing a mounted storage device from the system, you should firstunmount it to avoid damaging the device. By default, a storage device is in themounted state. You can use it without mounting it.Related command: mount.Example # Unmount a CF card on a device. umount cf:% Umount cf: successfully.%Apr 23 01:49:20:929 2003 System VFS/5/LOG:cf: umounted from slot 0.undeleteSyntax undelete file-urlView User viewParameter file-url: Name of the file to be restored.Description Use the undelete command to restore a file from the recycle bin.If another file with the same name exists under the same path, the undeleteoperation will cause it to be overwritten and the system will ask you whether tocontinue.Example # Restore file sample.bak from the recycle bin. undelete sample.bakUndelete cf:/sample.bak ?[Y/N]:y% Undeleted file cf:/sample.bak
