How to learn the basics of Kirin operating system?

How to learn the basics of Kirin operating system?

Kylin OS is an open source operating system independently developed by China. It has independent intellectual property rights and independent controllability. Learning the basic knowledge of Kirin operating system will help us understand and apply this operating system more deeply. This article will introduce some methods to learn the basic knowledge of Kirin operating system, and attach some code examples to help readers understand better.

1. Prepare the environment

To learn the basic knowledge of Kirin operating system, you first need to prepare the learning environment. Kirin operating system can be installed and run on a virtual machine or a physical machine. We can choose the virtualization software we are familiar with (such as VMware, VirtualBox, etc.) and install the Kirin operating system in it.

2. Learning materials

To learn the basic knowledge of Kirin operating system, you need to find relevant learning materials. The official website of Kirin Operating System provides a wealth of learning resources, including official documents, API documents, sample codes, etc. We can download these materials from the official website and study their contents in detail.

In addition, you can also refer to some developer blogs, technical forums and other communities to learn about the experiences and sharing of other developers. These resources can help us better understand the basics of Kirin OS.

3. Learning content

Learning the basic knowledge of Kirin operating system mainly includes the following aspects:

1. Features and architecture of Kirin operating system: Understanding Kirin The characteristics, architecture and design ideas of the operating system can help us better understand the operating mechanism of the operating system.
2. Process management: Learn the process management mechanism in Kirin operating system, such as process creation, scheduling, termination, etc. You can deepen your understanding of this knowledge by writing some simple process management code.
3. Memory management: Understand the memory allocation and recycling mechanism in Kirin operating system, as well as the implementation principle of virtual memory. You can write some simple memory management code to deepen your understanding.
4. File system: Learn the file system implementation in Kirin operating system, including file creation, reading, writing, deletion and other operations. You can write some file system-related code to deepen your understanding.
5. Device driver: Understand the device management and driver writing in Kirin operating system, including the operation and control of hardware devices. You can write some simple device driver code to deepen your understanding.

4. Code Example

The following is a simple code example of using the Kirin operating system for process scheduling:

#include <stdio.h>

int main() {
    // 创建两个进程A和B
    int processA = fork();
    int processB = fork();

    if (processA > 0 && processB > 0) {
        printf("Parent process
");
    } else if (processA == 0 && processB > 0) {
        printf("Child process A
");
    } else if (processA > 0 && processB == 0) {
        printf("Child process B
");
    } else {
        printf("Error
");
    }
  
    return 0;
}

This code creates two Processes A and B use the fork function to copy and schedule processes. By printing different messages in different processes, the effect of process scheduling is demonstrated.

5. Summary

Learning the basic knowledge of Kirin operating system requires a good learning environment and detailed learning materials. By learning the characteristics and architecture of Kirin operating system, as well as process management, memory management, file system and device driver knowledge, we can better understand and apply this operating system. By writing some simple code examples, we can deepen our understanding and mastery of the basic knowledge of Kirin Operating System. I hope that the introduction in this article can provide some help for everyone to learn the basic knowledge of Kirin operating system.

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