> ```shell
> cat <<-EOF
> Line 1
> EOF
> ```
>> `$`, `#`, `%` - also works fine 

> ```shell
> cat <<6OF
> Line 1
> EOF
> ```

> ```shell
> cat << EOF
> Line 1
> EOF
> ```

```shell
cat <<EOF
Line 1
Line 2
EOF
```

> ```shell
> cat <<EOF
> Line 1
> Line 2
> EOF
> ```

```bash
echo test
```