> For the complete documentation index, see [llms.txt](https://www.lanlanx.com/openharmony/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.lanlanx.com/openharmony/19-nei-he-zi-xi-tong.md).

# 19-内核子系统

- [19-内核子系统-轻量系统](https://www.lanlanx.com/openharmony/19-nei-he-zi-xi-tong/19-nei-he-zi-xi-tong-qing-liang-xi-tong.md): 内核子系统-轻量系统
- [19-内核子系统-小型系统](https://www.lanlanx.com/openharmony/19-nei-he-zi-xi-tong/19-nei-he-zi-xi-tong-xiao-xing-xi-tong.md): 内核子系统-小型系统
- [19-内核子系统-标准系统Linux](https://www.lanlanx.com/openharmony/19-nei-he-zi-xi-tong/19-nei-he-zi-xi-tong-biao-zhun-xi-tong-linux.md): 内核子系统-标准系统Linux
- [19-内核子系统-Linux内核架构](https://www.lanlanx.com/openharmony/19-nei-he-zi-xi-tong/19-nei-he-zi-xi-tong-linux-nei-he-jia-gou.md): 内核子系统-Linux内核架构