> 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/2019/02/06.md).

# 06

![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MSuDjwJ3-gumXfgMMUE%2F-MSuDxaB5x01VHYBMs4v%2Fimage.png?alt=media\&token=4314896e-3b60-49e2-a286-a80170a43c4c)