/media/bill/HOWELL_BASE/System_maintenance/Linux/USB drive ext format.txt ******************* 21Dec2017 GParted I reformated a 32Gb USB memory stick Then I had to change ownership see "/media/bill/HOWELL_BASE/System_maintenance/Linux/chown notes.txt" Edit, then use script "/media/bill/HOWELL_BASE/System_maintenance/Linux/chown - edit & run.sh" ******************* ?date? Google search "Linux and format USB drive as ext4" http://okomestudio.net/biboroku/?p=291 Formatting a USB Drive with ext4 for Use with Linux Posted on March 27, 2009 by Taro https://askubuntu.com/questions/724081/how-to-format-a-fat32-usb-as-ext4 https://askubuntu.com/questions/149984/formatting-usb-flash-memory-for-ubuntu-ext4 I was having a similar problem. I resolved this by first unmounting the partition via cli: sudo umount /dev/sdb1 (or whatever your usb is) Then formatting the partition for ext4 (it cannot be formatted while mounted/in use): sudo mkfs.ext4 /dev/sdb1 That should do the trick, worked for me. answered May 9 '13 at 17:08, Lukashka http://www.eassos.com/how-to/how-to-format-a-flash-drive.php good background description # enddoc