diff --git a/Operating_Systems/Basic Model.md b/Operating_Systems/Basic_Model.md similarity index 100% rename from Operating_Systems/Basic Model.md rename to Operating_Systems/Basic_Model.md diff --git a/Operating_Systems/The Kernel.md b/Operating_Systems/The_Kernel.md similarity index 100% rename from Operating_Systems/The Kernel.md rename to Operating_Systems/The_Kernel.md diff --git a/Operating_Systems/User Space.md b/Operating_Systems/User_Space.md similarity index 100% rename from Operating_Systems/User Space.md rename to Operating_Systems/User_Space.md