Android Security Model Android security (Android system partition and load)

The partition of Android device includes system partition, data partition, cache partition and SD card partition, etc. It is summarized as follows:

1. The system partition is usually loaded as a read-only partition, including operating system kernel, system function library, real-time operation framework, application framework and system application, etc., which are implanted by OEMs at factory and cannot be changed by the outside world, so when security problem occurs, the user can initiate into the so-called "safe Mode". Load read-only system partitions, do not load data content in data partitions, and isolate security threats that third-party applications can pose.

• /system/app Directory Storage System with app APK

• The/system/lib directory holds the system library files.

• The/system/bin and/system/xbin directories contain system administration commands and so on.

• The/system/framework directory contains the jar files for Android application framework.

2.

Android Security Model Android security (Android system partition and load)