linux mount storage device
1. On the hardware (used to modify the hard drive information)
View partition: fdisk -l
2. File system
View the hard disk partition mounted by the boot file: df /boot
View the hard disk partitions that have mounted files: df h
Unmount: umount /boot
1. Make physical partitions on the hard disk
2. On the file system, correspondingly generate the mount point table of "File -- Partition"