Learning Android Forensics - Second Edition

What is rooting?

To understand rooting, it is essential to understand how Unix-like systems work. The original Unix operating system, on which Linux and other Unix-like systems are based, was designed from the very beginning as a multiuser system. This is primarily because personal computers did not yet exist and hence it was necessary to have a mechanism for separating and protecting the resources of the individual users while allowing them to use the system simultaneously. But in order to perform privileged tasks such as granting and revoking powers for ordinary users and accessing critical system files to repair or upgrade the system, it was necessary to have a system administrator account that has superuser access. So, we have two types ...