i try to format my usb 1st time its work all data gone but i can't save any file at this usb .
then i try to check is it working or broken here the report
santos@santos:~$ sudo badblocks -v /dev/sdb
[sudo] password for santos:
Sorry, try again.
[sudo] password for santos:
Checking blocks 0 to 7824383
Checking for bad blocks (read-only test): 0.00% done, 0:00 elapsed. (0/0/0 errdone
Pass completed, 0 bad blocks found. (0/0/0 errors)
santos@santos:~$ sudo badblocks -v -w /dev/sdb
[sudo] password for santos:
Sorry, try again.
[sudo] password for santos:
/dev/sdb is apparently in use by the system; it's not safe to run badblocks!
santos@santos:~$
how to format and fix this issues?
i have read this link Formatting Pen Drive causes 'Daemon Is Inhibited' Error
and it said like this when i try to move any items from desktop " the destination is read only also in this case i use google and find this http://ubuntuforums.org/showthread.php?t=1955353 article as same its not helped
following user13509 suggestion ..
while im check my chmod setting for the usb .. i found it like this
santos@santos:/media$ sudo chmod -R 777/media/New\ Volume chmod: missing operand after
777/media/New Volume' Try
chmod --help' for more information.root@santos:/media# ls -l total 4 drwx------ 3 santos santos 4096 Jan 1 1970 New Volume