when i try to transfer data to a pen usb in ubuntu 12.04, the system give me error. The pen is formated in fat32. sorry the english and thank you for any help.
The size of the file could be the issue: FAT32 has limits on the maximum size of a file (4GB).
If this is the case, you may want to reformat the USB drive (make a backup copy of the current content before doing that!).
Here you can find instructions on how to format a drive:
You could choose NTFS (good choice if you wish to share files with other operating systems http://en.wikipedia.org/wiki/NTFS)
or EXT2 (if your USB drive id to be used for Linux only