diff --git a/rwx/fs/__init__.py b/rwx/fs/__init__.py
index 514fcec..a8865e7 100644
--- a/rwx/fs/__init__.py
+++ b/rwx/fs/__init__.py
@@ -2,6 +2,7 @@
 
 import os
 import shutil
+from pathlib import Path
 
 from rwx import ps
 
@@ -48,20 +49,23 @@ def get_path_uuid(path: str) -> str:
 
 def make_directory(path: str) -> None:
     """Make a directory (and its parents) from a path."""
-    os.makedirs(path, exist_ok=True)
+    Path(path).mkdir(exist_ok=True, parents=True)
 
 
-def read_file(file_path: str):
-    with open(file_path, "br") as file_object:
+def read_file_bytes(file_path: str) -> bytes:
+    """Read whole file bytes."""
+    with Path(file_path).open("br") as file_object:
         return file_object.read()
 
 
-def read_file_lines(file_path: str, charset: str = CHARSET):
-    return read_file_text(file_path).split(os.linesep)
+def read_file_lines(file_path: str, charset: str = CHARSET) -> list[str]:
+    """Read whole file lines."""
+    return read_file_text(file_path, charset).split(os.linesep)
 
 
-def read_file_text(file_path: str, charset: str = CHARSET):
-    return read_file(file_path).decode(charset)
+def read_file_text(file_path: str, charset: str = CHARSET) -> str:
+    """Read whole file text."""
+    return read_file_bytes(file_path).decode(charset)
 
 
 def wipe(path: str) -> None:
@@ -69,12 +73,12 @@ def wipe(path: str) -> None:
     try:
         shutil.rmtree(path)
     except NotADirectoryError:
-        os.remove(path)
+        Path(path).unlink(missing_ok=True)
     except FileNotFoundError:
         pass
 
 
 def write(file_path: str, text: str, charset: str = CHARSET) -> None:
     """Write text into a file."""
-    with open(file_path, "bw") as file_object:
-        file_object.write(text.encode(charset))
+    with Path(file_path).open(encoding=charset, mode="w") as file_object:
+        file_object.write(text)
diff --git a/rwx/prj/__init__.py b/rwx/prj/__init__.py
index 6a3e059..8b70a4a 100644
--- a/rwx/prj/__init__.py
+++ b/rwx/prj/__init__.py
@@ -1,6 +1,7 @@
 """Handle projects."""
 
-from os import path
+from os.path import realpath
+from pathlib import Path
 
 
 class Project:
@@ -8,6 +9,6 @@ class Project:
 
     def __init__(self, file_path: str) -> None:
         """Set file, root & name."""
-        self.file: str = path.realpath(file_path)
-        self.root: str = path.dirname(self.file)
-        self.name: str = path.basename(self.root)
+        self.file: str = realpath(file_path)
+        self.root: str = Path(self.file).parent
+        self.name: str = self.root.name
diff --git a/rwx/prj/sphinx.py b/rwx/prj/sphinx.py
index 13252f8..b85cfa5 100644
--- a/rwx/prj/sphinx.py
+++ b/rwx/prj/sphinx.py
@@ -1,7 +1,5 @@
 """Project consisting only of a Sphinx documentation."""
 
-from os import path
-
 from sphinx.cmd.build import build_main
 
 from rwx.fs import wipe
@@ -17,7 +15,7 @@ class SphinxProject(Project):
 
     def build(self) -> None:
         """Build the project."""
-        output_root: str = path.join(self.root, "out")
+        output_root: str = self.root / "out"
         wipe(output_root)
         arguments: list[str] = [
             "-E",
@@ -34,7 +32,7 @@ class SphinxProject(Project):
             "-c",
             self.root,
             # "-C",
-            path.join(self.root, self.name),
-            path.join(output_root, "web"),
+            self.root / self.name,
+            output_root / "web",
         ]
         build_main(arguments)