查看设备

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lsblk

列出所有设备及挂载点

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# 例子
NAME         MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
mmcblk0      179:0    0 58.3G  0 disk 
└─mmcblk0p1  179:1    0 58.3G  0 part 
mmcblk1      179:16   0  7.3G  0 disk 
mmcblk1boot0 179:32   0    4M  0 disk 
mmcblk1boot1 179:48   0    4M  0 disk 
zram0        253:0    0   50M  0 disk /var/log

创建挂载点

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sudo mkdir /mnt/sdcard

挂载设备

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sudo mount /dev/mmcblk0p1 /mnt/sdcard

提示mount: special device /dev/mmcblk1p1 does not exist说明挂载设备的路径/dev/mmcblk0p1不对，需要重新挂载

验证挂载点

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ls /mnt/sdcard

卸载设备

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sudo umount /mnt/sdcard