1. Linux：
Linux 是一组开源的类 Unix 操作系统，由 Linus Torvalds 开发。它是一个打包的 Linux 发行版。一些最常用的 Linux 发行版是 Debian、Fedora 和 Ubuntu。它基本上是用C语言和汇编语言编写的。 Linux 中使用的内核是 Monolithic 内核。 Linux 发行版的目标系统是云计算、嵌入式系统、移动设备、个人计算机、服务器、大型计算机和超级计算机。 Linux 的第一个版本于 1991 年推出。用于个人计算机的 Linux 的最新版本是 5.6(内核)。
2. 安卓：
Android 是由谷歌提供的移动操作系统。它基于Linux内核和其他开源软件的修改版本。它专为智能手机和平板电脑等触摸屏移动设备而设计。它是使用 C、 Java、C++ 和其他语言开发的。 Android 的第一个版本于 2008 年由 Google 推出，最新的稳定版 Android 是 Android 10，完全免费提供。它是总体上使用最广泛的操作系统。
Linux 和安卓的区别：
| LINUX | ANDROID |
|---|---|
| It was developed by Linus Torvalds. | It was developed by Google LLC. |
| It was launched in 1991. | It was launched in 200. |
| It is designed for PC of all companies. | It is specifically designed for mobile devices. |
| Kernel used in Linux is Monolithic. | Its Kernel type is Linux-based. |
| It has the preferred license of GNU GPLv2 (kernel). | It has the preferred license of Apache 2.0 and GNU GPLv2. |
| It is written mainly using C and assembly language. | It is written using C, C++, Java and other languages. |
| It is the used in personal computers with complex tasks. | It is the most used operating system overall. |
| It target system types are embedded systems, mobile devices, personal computers, servers, mainframe computers and supercomputers. | Its target system types are smartphones and tablet computers. |
| It is mostly used for hacking purpose based tasks. | It is used in mobile devices for all simple tasks. |