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一图看懂 Linux 系统架构

  • 2026-08-18 23:11:13
一图看懂 Linux 系统架构

一图看懂 Linux 系统架构

很多人学 Linux，总是先学命令，再学 Shell，再学 Docker、Kubernetes，但真正理解 Linux，最重要的是先搞清楚它的整体架构。

Linux 并不是只有一个 Kernel（内核），它其实是由 用户空间（User Space）+ 系统调用（System Call）+ 内核空间（Kernel Space）+ 硬件层（Hardware） 共同组成。

这张图，把 Linux 的核心架构全部串联起来，建议收藏。

📌 图中包含：
✅ User Space（用户空间）

* 常见应用程序
* GNU C Library（glibc）
* 系统调用接口（System Call）

✅ Kernel Space（内核空间）

* 进程管理（Process Management）
* 内存管理（Memory Management）
* 文件系统（VFS、ext4、xfs、btrfs）
* 网络子系统（TCP/IP、Socket、Netfilter）
* 设备驱动（Device Drivers）
* Kernel Core（内核核心模块）

✅ Hardware（硬件层）

* CPU
* Memory
* Disk
* Network
* USB
* 外设设备

除此之外，还整理了：

📂 Linux 文件系统（FHS）目录结构

📡 IPC（进程间通信）
* Pipe
* Signal
* Shared Memory
* Message Queue
* Semaphore

🌐 TCP/IP 协议栈
🚀 Linux 启动流程（BIOS → GRUB → Kernel → systemd）

以及运维开发中最常用的一些系统管理命令。

💬 你觉得 Linux 最难理解的是哪一部分？
欢迎在评论区交流，我会继续更新 《一图看懂 Linux》系列。

#Linux
#Linux运维
#Linux学习
#Linux系统架构
#Linux内核
#系统架构
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  1. CONNECT:[ UseTime:0.001131s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001543s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000622s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000583s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001671s ]
  6. SELECT * FROM `set` [ RunTime:0.000529s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001460s ]
  8. SELECT * FROM `article` WHERE `id` = 506389 LIMIT 1 [ RunTime:0.001014s ]
  9. UPDATE `article` SET `lasttime` = 1787302260 WHERE `id` = 506389 [ RunTime:0.001996s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000663s ]
  11. SELECT * FROM `article` WHERE `id` < 506389 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001309s ]
  12. SELECT * FROM `article` WHERE `id` > 506389 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001220s ]
  13. SELECT * FROM `article` WHERE `id` < 506389 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002120s ]
  14. SELECT * FROM `article` WHERE `id` < 506389 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002134s ]
  15. SELECT * FROM `article` WHERE `id` < 506389 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002197s ]
0.192359s