C and the Linux Kernel

• 28 May 2025
• Linux,
• kernel,
• C

The Linux kernel is written in C

The kernel is written in the C programming language [c-language]. More precisely, the kernel is typically compiled with gcc [gcc] under -std=gnu11 [gcc-c-dialect-options]: the GNU dialect of ISO C11. clang [clang] is also supported, see docs on Building Linux with Clang/LLVM.

Source: https://www.kernel.org/doc/html/v6.9/process/programming-language.html

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