How does using the 'mount' command differ from adding the storage to the $/$etc$/$fstab file? The $/$etc$/$fstab entries apply until reboot, and the mount command is persistent across reboots. Only root can mount volumes. The mount command applies until reboot, and $/$etc$/$fstab entries are persistent across reboots. The mount command is used with traditional partitioning, and the $/$etc$/$fstab file is used with Logical Volume Manager $($LVM$)$