how to copy files to flash drive ubuntu?
['List the Mount device: lsblk.', 'Create a mount point : This needs to be mounted into the filesystem somewhere. ... ', 'Mount! sudo mount /dev/sdb1 /media/usb.', 'Copy rsync -av /home/android/Testproject/ /media/usb/', "5.Un-Mount. When you're done, just fire off: sudo umount /media/usb."]