> For the complete documentation index, see [llms.txt](https://www.oulan.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.oulan.com/2018/02/02.md).

# 02

![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MSg9ZNATj3Y6y4f5Se_%2F-MSg9mRtbs_XakOjGiD9%2Fimage.png?alt=media\&token=a32d2c2b-f18c-4c36-b147-be9573422372)