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Rooting (Android)
Rooting is the process by which users of Android devices can attain privileged control (known as root access) over various subsystems of the device, usually smartphones and tablets. Because Android is based on a modified version of the Linux kernel, rooting an Android device gives access to administrative (superuser) permissions similar to those 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. Thus, rooting allows the users to alter or replace system applications and settings, run specialized applications ("apps") that require administrator-level permissions, or perform other operations that are otherwise inaccessible to a normal Android user. On some devices, rooting can also facilitate the complete removal and replacement of the device's operating system, usually with a more recent release of its current operating system.
Root access is sometimes compared to jailbreaking on devices running the Apple iOS operating system. However, these are different concepts: jailbreaking is the bypass of several types of Apple prohibitions for the end user, including modifying the operating system (enforced by a "locked bootloader"), installing non-officially approved (not available on the App Store) applications via sideloading, and granting the user elevated administration-level privileges (rooting). Some vendors, such as HTC, Sony, OnePlus, Asus, Xiaomi, and Google, have provided the ability to unlock the bootloaders of some devices, thus enabling advanced users to make operating system modifications. Similarly, the ability to sideload applications is typically permissible on Android devices without root permissions. Thus, it is primarily the third aspect of iOS jailbreaking (giving users administrative privileges) that most directly correlates with Android rooting.
Rooting is distinct from SIM unlocking and bootloader unlocking. The former allows for the removal of the SIM card lock on a phone, while the latter allows rewriting the phone's boot partition (for example, to install or replace the operating system).
Rooting lets all user-installed applications run privileged commands typically unavailable to the devices in the stock configuration. Rooting is required for more advanced and potentially dangerous operations including modifying or deleting system files, removing pre-installed applications, and low-level access to the hardware itself (rebooting, controlling status lights, or recalibrating touch inputs.) A typical rooting installation also installs a Superuser application, which supervises applications that are granted root or superuser rights by requesting approval from the user before granting said permissions. A secondary operation, unlocking the device's bootloader verification, is required to remove or replace the installed operating system.
In contrast to iOS jailbreaking, rooting is not needed to run applications distributed outside of the Google Play Store, known as sideloading. The Android OS supports this feature natively in two ways: through the "Unknown sources" option in the Settings menu and through the Android Debug Bridge. However, some US carriers, including AT&T, have prevented the installation of applications not on the Play Store in firmware, although several devices are not subject to this rule, including the Samsung Infuse 4G; AT&T lifted the restriction on most devices by the middle of 2011.
As of 2011[update], the Amazon Kindle Fire defaults to the Amazon Appstore instead of Google Play, though like most other Android devices, Kindle Fire allows sideloading of applications from unknown sources, and the "easy installer" application on the Amazon Appstore makes this easy. Other vendors of Android devices may look to other sources in the future. Access to alternate apps may require rooting but rooting is not always necessary.
Advantages of rooting include the possibility for complete control over the appearance, feel, and behaviour of the device. As a superuser has access to the device's system files, all aspects of the operating system can be customized with the only real limitation being the level of coding expertise. Immediately expectable advantages of rooted devices include the following:
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Rooting (Android) AI simulator
(@Rooting (Android)_simulator)
Rooting (Android)
Rooting is the process by which users of Android devices can attain privileged control (known as root access) over various subsystems of the device, usually smartphones and tablets. Because Android is based on a modified version of the Linux kernel, rooting an Android device gives access to administrative (superuser) permissions similar to those 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. Thus, rooting allows the users to alter or replace system applications and settings, run specialized applications ("apps") that require administrator-level permissions, or perform other operations that are otherwise inaccessible to a normal Android user. On some devices, rooting can also facilitate the complete removal and replacement of the device's operating system, usually with a more recent release of its current operating system.
Root access is sometimes compared to jailbreaking on devices running the Apple iOS operating system. However, these are different concepts: jailbreaking is the bypass of several types of Apple prohibitions for the end user, including modifying the operating system (enforced by a "locked bootloader"), installing non-officially approved (not available on the App Store) applications via sideloading, and granting the user elevated administration-level privileges (rooting). Some vendors, such as HTC, Sony, OnePlus, Asus, Xiaomi, and Google, have provided the ability to unlock the bootloaders of some devices, thus enabling advanced users to make operating system modifications. Similarly, the ability to sideload applications is typically permissible on Android devices without root permissions. Thus, it is primarily the third aspect of iOS jailbreaking (giving users administrative privileges) that most directly correlates with Android rooting.
Rooting is distinct from SIM unlocking and bootloader unlocking. The former allows for the removal of the SIM card lock on a phone, while the latter allows rewriting the phone's boot partition (for example, to install or replace the operating system).
Rooting lets all user-installed applications run privileged commands typically unavailable to the devices in the stock configuration. Rooting is required for more advanced and potentially dangerous operations including modifying or deleting system files, removing pre-installed applications, and low-level access to the hardware itself (rebooting, controlling status lights, or recalibrating touch inputs.) A typical rooting installation also installs a Superuser application, which supervises applications that are granted root or superuser rights by requesting approval from the user before granting said permissions. A secondary operation, unlocking the device's bootloader verification, is required to remove or replace the installed operating system.
In contrast to iOS jailbreaking, rooting is not needed to run applications distributed outside of the Google Play Store, known as sideloading. The Android OS supports this feature natively in two ways: through the "Unknown sources" option in the Settings menu and through the Android Debug Bridge. However, some US carriers, including AT&T, have prevented the installation of applications not on the Play Store in firmware, although several devices are not subject to this rule, including the Samsung Infuse 4G; AT&T lifted the restriction on most devices by the middle of 2011.
As of 2011[update], the Amazon Kindle Fire defaults to the Amazon Appstore instead of Google Play, though like most other Android devices, Kindle Fire allows sideloading of applications from unknown sources, and the "easy installer" application on the Amazon Appstore makes this easy. Other vendors of Android devices may look to other sources in the future. Access to alternate apps may require rooting but rooting is not always necessary.
Advantages of rooting include the possibility for complete control over the appearance, feel, and behaviour of the device. As a superuser has access to the device's system files, all aspects of the operating system can be customized with the only real limitation being the level of coding expertise. Immediately expectable advantages of rooted devices include the following: