Github user AhyoungRyu commented on the issue:
https://github.com/apache/zeppelin/pull/1420
@kavinkumarks
The shell interpreter docs in github is just a source not a real docs page.
The real one is deployed at
[https://zeppelin.apache.org/docs/0.7.0-SNAPSHOT/interpreter/shell.html](https://zeppelin.apache.org/docs/0.7.0-SNAPSHOT/interpreter/shell.html).
The below tag is for the broken image.
```
<img
src="{{BASE_PATH}}/assets/themes/zeppelin/img/docs-img/shell-example.png" />
```
Since it contains `{{BASE_PATH}}`, github can't recognize this variable.
That's the reason why the image is broken. Zeppelin is using
[Jekyll](https://jekyllrb.com/) to build the documentation site. (See
[here](https://zeppelin.apache.org/contribution/documentation.html) for more
details). Only Jekyll can recognize the variable.
Just FYI, that kind of variables(e.g. `BASE_PATH`, `ASSET_PATH`) are
defined in
[docs/_config.yml](https://github.com/apache/zeppelin/blob/master/docs/_config.yml)
:)
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