ubuntu@ct-srv12:~/android/android/out/target/product/qssi$ ls *.img
boot-debug.img boot.img dtb.img product.img ramdisk-debug.img ramdisk.img super_empty.img system.img vbmeta.img vbmeta_system.img
ubuntu@ct-srv12:~/android/android/out/target/product/qssi$ file ramdisk.img
ramdisk.img: gzip compressed data, from Unix
ubuntu@ct-srv12:~/G5_TAG/android/android/out/target/product/qssi$ cp ramdisk.img ramdisk.img.gz
ubuntu@ct-srv12:~/android/android/out/target/product/qssi$ gunzip ramdisk.img.gz
gzip: ramdisk.img already exists; do you wish to overwrite (y or n)? y
ubuntu@ct-srv12:~/android/android/out/target/product/qssi$ file ramdisk.img
ramdisk.img: ASCII cpio archive (SVR4 with no CRC)
ubuntu@ct-srv12:~/android/android/out/target/product/qssi$ cpio -idv -F ramdisk.img
apex
debug_ramdisk
dev
init
mnt
proc
sys
3746 blocks
参考文档
Android ramdisk,boot,system.img 解包和打包