How to extract ramdisk.img

android, rom

Solution

It's highly possible that ramdisk.img actually is a compressed file ramdisk.cpio.gz. To extract it use this commands:

cd /Path/To/Folder/With/ramdisk.cpio.gz/File
mkdir temp_directory && cd temp_directory
gunzip -c ../ramdisk.img | cpio -idm

Check this blog post for more info: http://blog.djodjo.org/?p=536

Problem

use ubuntu I type file ramdisk.img and the Terminal display ramdisk.img: data, I use `cpio` and get nothing extracted! How can I `extract` such ramdisk.img?

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