mkfs.
blkid /dev/sdb1
cat /etc/fstab
blkid -U UUID
dd if=/dev/zero of=/dev/sdb1 bs=1M count=5
ls /mnt
umount /mnt
fsck /dev/sdb1
lsof /mnt/sdb1
fuser -v /mnt/sdb1
fuser -km /mnt/sdb1
mount -n 隐藏挂载 --bind 挂文件夹
cat /proc/mounts
ls /mist/cd
df
mem table
ll /etc/mtab
vim /etc/fstab
