Partition table layout: localhost:~ # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT mmcblk0 179:0 0 29.7G 0 disk ������mmcblk0p1 179:1 0 256M 0 part /boot/efi ������mmcblk0p2 179:2 0 27.5G 0 part / ������mmcblk0p3 179:3 0 2G 0 part [SWAP] localhost:~ # fdisk -l /dev/mmcblk0 Disk /dev/mmcblk0: 29.73 GiB, 31907119104 bytes, 62318592 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x9d35b1c2 Device Boot Start End Sectors Size Id Type /dev/mmcblk0p1 2048 526335 524288 256M c W95 FAT32 (LBA) /dev/mmcblk0p2 526336 58124287 57597952 27.5G 83 Linux /dev/mmcblk0p3 58124288 62318591 4194304 2G 82 Linux swap / Solaris