> 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/2017/02/06.md).

# 06

![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MStz30hdpwnPjp8nS-Y%2F-MSuAXRkDzkBoStOg6dT%2Fimage.png?alt=media\&token=6a484d1c-25d7-4a51-83e8-ba0e1b9eac96)