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It contains init, which is executed. The Android kernel is a modified version of the Linux kernel. Init does mount the partitions. dm-verity verifies the integrity of the partitions that are specified in the fstab file. dm-verity is a Linux kernel module that was introduced by Google in Android since version 4.4.
Each phone has only one unique package, and flashable installation images are generated using the pmbootstrap tool. [4] The project intends to support the mainline Linux kernel on all phones in the future, instead of the often outdated Android-specific fork , to reduce the potential for security exploits . [ 4 ]
Mobian is a project to port the Debian GNU/Linux distribution running the mainline Linux kernel to smartphones and tablets. [2] The project was announced in 2020. [3] It is available for the PinePhone, PineTab, Librem 5, OnePlus 6/6T and Pocophone F1.
Android is based on the Linux kernel, which is subject to the copyleft GNU General Public License (GPL) version 2. The most widespread standard C library for the Linux kernel is the GNU C Library (glibc), which is subject to the GNU Lesser General Public License (LGPL), also a copyleft license.
Generally, the phones included on this list contain copyleft software other than the Linux kernel, and minimal closed-source component drivers (see section above). Android-based devices do not appear on this list because of the heavy use of proprietary components, particularly drivers and applications. [7] [1] [8]
ethtool is the primary means in Linux kernel-based operating systems (primarily Linux and Android) for displaying and modifying the parameters of network interface controllers (NICs) and their associated device driver software from application programs running in userspace.
Fastboot is a communication protocol used primarily with Android devices. [1] It is implemented in a command-line interface tool of the same name and as a mode of the bootloader of Android devices. The tool is included with the Android SDK package and used primarily to modify the flash filesystem via a USB connection from a host
Because Android is based on a modified version of the Linux kernel, rooting an Android device gives similar access to administrative permissions as on Linux or any other Unix-like operating system such as FreeBSD or macOS. Rooting is often performed to overcome limitations that carriers and hardware manufacturers put on some devices.