sudo blkid

vim /etc/fstab

UUID=7f2b5d4e-f224-488b-a1ea-db4bb238c927 /               ext4    errors=remount-ro 0       1
# /home was on /dev/sdb5 during installation
UUID=6e31fdba-7634-4b6a-a2eb-89483164fa75 /home           ext4    defaults        0       2
# swap was on /dev/sdb6 during installation
UUID=f011abae-9db0-4e0a-a1d8-b1c471a4963a none            swap    sw              0       0
# data
UUID=c0375a25-24b9-4a0d-860e-0cbcab3b0c5c /home/sigma/Data        ext4    defaults        0       3

挂载u盘

sudo blkid
sudo mount /dev/sdc ~/U