In Linux, Puto is used as a SCSI device, first confirming the USB flash drive first before mounting the USB flash drive, input DMESG | More view in the terminal, I am SDA1 build mount point / MNT / USB then use mount -t vfat / dev / sda1 / MNT / USB is mounted, or it is automatically mounted by adding / dev / sda1 / mnt / usb vfat defaults 0 0 in FSTAB, but with the defaults parameter, if the USB flash drive is not plugged in, it will report an error. So I am adding / dev / sda1 / mnt / usb vfat noauto 0 0 in FSTAB, and then newly created a new hard disk device on the desktop, selecting the device for the device tab of the link attribute to / dev / sda1 (/ mnt / usb) Semi-automatic mount. When you use a USB flash drive, you can click this link.