img 磁盘镜像文件
查看分区表信息
$ fdisk sdcard.img
Welcome to fdisk (util-linux 2.34).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): p
Disk sdcard.img: 2.19 GiB, 2348810240 bytes, 4587520 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: 0x00000000
Device Boot Start End Sectors Size Id Type
sdcard.img1 * 131072 393215 262144 128M c W95 FAT32 (LBA)
sdcard.img2 393216 4587519 4194304 2G 83 Linux
挂载分区
- 使用
Start值计算offset值（bytes）
393216*512=201326592
- 挂载分区
$ sudo mount -o loop,offset=201326592 sdcard.img /mnt/
- 查看分区内容
$ ls /mnt/
bin boot dev etc home lib lost+found media mnt opt proc root run sbin srv sys tmp usr var
卸载分区
$ sudo umount /mnt