# file InstallSierra.iso
InstallSierra.iso: Apple Driver Map, blocksize 512, blockcount 14983168, devtype 0, devid 0, descriptors 0, contains[@0x200]: Apple Partition Map, map block count 2, start block 1, block count 63, name Apple, type Apple_partition_map, contains[@0x400]: Apple Partition Map, map block count 2, start block 64, block count 14983104, name disk image, type Apple_HFS