查看U盘加载的路径：
sudo fdisk -l
Disk /dev/sdc: 931.53 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: Tech
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x5a475911
Device Boot Start End Sectors Size Id Type
/dev/sdc1 * 2048 1953523711 1953521664 931.5G 7 HPFS/NTFS/exFAT # 路径
挂载U盘：
sudo mkdir /mnt/usb #新建一个文件夹作为U盘的挂接点
sudo mount /dev/sdc1 /mnt/usb
cd /mnt/usb # 访问u盘的路径
弹出U盘：
umount /mnt/usb
