1、Mount命令
eg1:挂载外部存储卡到usb_otg:
mount /dev/block/mmcblk1p1 /usb_otg(mmcblk1p1是存储卡)
eg2:挂载外部存储卡到/mnt/sdcard:
mount /dev/block/mmcblk1p1 /mnt/sdcard(mmcblk1p1是存储卡)
eg1:挂载外部存储卡到usb_otg:
mount /dev/block/mmcblk1p1 /usb_otg(mmcblk1p1是存储卡)
eg2:挂载外部存储卡到/mnt/sdcard:
mount /dev/block/mmcblk1p1 /mnt/sdcard(mmcblk1p1是存储卡)