//create "system" folder $ mkdir systemoop
//加载文件系统 $ sudo mount -o loop dumped.bin system/ //dumped.bin = dumped userdata or system binary partitionit
//改变权限 $ sudo chown -R user:userpassword system/io
//能够浏览system文件夹, //...权限
//卸载 $ sudo umount userdata/word