diff --git a/rwx/os/pm/__init__.py b/rwx/os/pm/__init__.py
index 0bcf1e6..e359a88 100644
--- a/rwx/os/pm/__init__.py
+++ b/rwx/os/pm/__init__.py
@@ -15,3 +15,9 @@ class PM(ABC):
     @abstractmethod
     def get_install_command(self) -> Command:
         """Command to install package(s)."""
+
+    def __str__(self) -> str:
+        """Return commands."""
+        return f"""\
+install = {self.install}
+"""