The Linux Kernel: Android?

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Now that we have studied the Linux kernel very well and learned how to make our own, we will move on to a slightly different direction in this series. Many of you may be unaware of this, but Android is Linux. True, they are not quite the same, but Android is Linux. For example, Ubuntu is "GNU/Linux" while Android is "Dalvik/Linux". If an operating system uses the Linux kernel, then it is a Linux system. The userland (GNU and Dalvik) does not determine whether an OS is Linux or not. Android uses a modified Linux kernel. As we know, Android runs on phones. As you may remember from configuring the kernel, there were no drivers for phone devices (like small keypads, 3G/4G cards, SIM cards, etc.). The Linux kernel used in Android lacks drivers that would not be in phones and instead has drivers for phone devices. In other words, no Android system uses a Vanilla Kernel.

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