Finding files and directories
Here are two commands, which find files and directories that are not readable by all users. Such a search capability is very handy while administering Web servers. To find such files, type:
…where the device name is the full path to your USB device in the /dev directory. It is usually /dev/ sdb1, /dev/sdc1, etc, and can be found by issuing an ls command in the /dev directory. Do be careful about the device name, as you can lose data if it’s wrongly used.
—Vishnu N K, mail[email protected]