diff --git a/README.md b/README.md
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+++ b/README.md
@@ -97,6 +97,12 @@ cache_hit(Some("other_schema".to_string)).await?;
 
 You can customize the default `public` schema by setting `ENV['PG_EXTRAS_SCHEMA']` value.
 
+## Command line
+
+After running `cargo install pg-extras` you can use `pg_extras` shell command.
+
+![Command line interface](https://github.com/pawurb/rust-pg-extras/raw/main/pg_extras_exec.png)
+
 ## Available methods
 
 ### `cache_hit`
diff --git a/pg_extras_exec.png b/pg_extras_exec.png
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