Linux is an embedded system and a widely used system software. Its characteristics are: 1. The Linux system is completely open and free; 2. The significant advantage of the Linux operating system is that it is multi-user and multi-purpose. Tasks ensure that multiple users do not affect each other; 3. The device is independent. As long as the driver is installed, any user can use and operate any device.
The operating system of this tutorial: linux5.18.14 system, DELL G3 computer.
Linux is an embedded system.
The biggest feature of Linux is that the source code is open and follows the GPL agreement; it can run on handheld computers, set-top boxes or game consoles; it can run on a variety of hardware platforms, such as x86, 680x0, SPARC, Alpha and other processor platforms.
Embedded Operating System (Embedded Operating System, referred to as: EOS) refers to the operating system used for embedded systems. The embedded operating system is a widely used system software, which usually includes hardware-related underlying driver software, system kernel, device driver interface, communication protocol, graphical interface, standardized browser, etc.
The embedded operating system is responsible for the allocation of all software and hardware resources, task scheduling, control and coordination of concurrent activities of the embedded system. It must embody the characteristics of the system in which it is located, and be able to achieve the functions required by the system by loading and unloading certain modules.
The operating systems currently widely used in the embedded field include: embedded real-time operating system µC/OS-II, embedded Linux, Windows Embedded, VxWorks, etc., as well as Android, iOS etc.
Embedded Linux
A system that makes appropriate modifications and deletions to Linux and can be used on embedded systems is the embedded Linux operating system. It has the following characteristics:
Linux system is completely open and free. It is the openness that enables it to be compatible with other systems and thereby realize the interconnection of information. And it can modify the source code arbitrarily, which is not available in other systems.
The significant advantages of the Linux operating system are multi-user and multi-tasking. It ensures that multiple users do not interfere with each other; after multi-tasking is started independently, they do not interfere with each other, greatly improving efficiency and giving full play to performance.
Devices are independent. As long as the driver is installed, with the support and help of the driver, any user can use and operate any device just like using files, which eliminates the need for people to consider the specific form of the device.
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