diff --git a/Modulo_os/__pycache__/teste.txt b/Modulo_os/__pycache__/teste.txt
new file mode 100644
index 0000000..e69de29
diff --git a/Modulo_os/teste.py b/Modulo_os/teste.py
index 048d6d9..572b5f2 100644
--- a/Modulo_os/teste.py
+++ b/Modulo_os/teste.py
@@ -8,4 +8,10 @@ print(os.name)
 #retonar a pasta atual
 print(os.getcwd())
 
-print(os.environ)
\ No newline at end of file
+#exiber variaves de ambiente
+print(os.environ)
+
+os.environ
+
+
+os.path.commonprefix([])
\ No newline at end of file
diff --git a/igitgnore b/igitgnore
new file mode 100644
index 0000000..e69de29
diff --git a/sockets/cliente_tcp.py b/sockets/cliente_tcp.py
new file mode 100644
index 0000000..e69de29
diff --git a/sockets/servidor_tcp.py b/sockets/servidor_tcp.py
new file mode 100644
index 0000000..e69de29