diff --git a/rwx/os/pm/__init__.py b/rwx/os/pm/__init__.py
new file mode 100644
index 0000000..0bcf1e6
--- /dev/null
+++ b/rwx/os/pm/__init__.py
@@ -0,0 +1,17 @@
+"""Package Manager."""
+
+from abc import ABC, abstractmethod
+
+from rwx.ps import Command
+
+
+class PM(ABC):
+    """Package Manager."""
+
+    def __init__(self) -> None:
+        """Set commands."""
+        self.install = self.get_install_command()
+
+    @abstractmethod
+    def get_install_command(self) -> Command:
+        """Command to install package(s)."""
diff --git a/rwx/os/pm/apt.py b/rwx/os/pm/apt.py
new file mode 100644
index 0000000..17caac3
--- /dev/null
+++ b/rwx/os/pm/apt.py
@@ -0,0 +1,16 @@
+"""Advanced Package Tool."""
+
+from rwx.os.pm import PM
+from rwx.ps import Command
+
+
+class APT(PM):
+    """Advanced Package Tool."""
+
+    def __init__(self) -> None:
+        """Initialize."""
+        super().__init__()
+
+    def get_install_command(self) -> Command:
+        """Return install command."""
+        return Command()
diff --git a/rwx/ps/__init__.py b/rwx/ps/__init__.py
index 0bbab9c..07ccce8 100644
--- a/rwx/ps/__init__.py
+++ b/rwx/ps/__init__.py
@@ -5,6 +5,10 @@ import subprocess
 from rwx import txt
 
 
+class Command:
+    """Command to run."""
+
+
 def get_tuples_args(*items: str | tuple[str, ...]) -> list[str]:
     """Turn arguments tuples into an arguments list."""
     args: list[str] = []