Linux kernel source code

The Linux kernel source code uses a tree structure to organize the Linux kernel source code. It is reasonable to put functional-related files in the same subdirectory, making the program more readable. Kernel source code: www.kernel.org. Arch Directory: each type of CPU system supported by the kernel has corresponding sub-directories under this directory, and each sub-directory of the CPU is further divided into sub-directories such as boot, mm, and kernel, including Control System Boot, memory management, and system calls. Block Directory: drivers of some block devices. Crypto Directory: encryption, compression, and CRC verification algorithms. Documentatiao Directory: Kernel documentation. Divres Directory: Device Driver. Fs Directory: file system. Include Directory: the header file required by the kernel, Which is platform-independent and placed in the include/linux subdirectory, and platform-related header files in the corresponding subdirectory. Lib directory: library file directory. Mm Directory: The file is used to implement memory management that is not related to the architecture. Net Directory: network protocol implementation code. Sanple Directory: Examples of kernel programming. Scripts: the script used to configure the kernel. Security Directory: SElinux module. Sound: audio device driver. Usr Directory: cpio command implementation. Virt: Kernel virtual machine.