diff --git a/server/server.py b/server/server.py
index 6101458..a938dc7 100644
--- a/server/server.py
+++ b/server/server.py
@@ -5,7 +5,7 @@ from executor import Executor
 
 class Server:
 
-    def __init__(self, homeDirectory: str, sessionTimeout: int = 120, availableServer: bool = True,
+    def __init__(self, homeDirectory: str = "", sessionTimeout: int = 120, availableServer: bool = True,
                  currentDirectory: str = ""):
         self.isAuthenticated = False
         self.homeDirectory = homeDirectory
@@ -17,11 +17,68 @@ class Server:
             self.currentDirectory = currentDirectory
         self.executor = Executor(homeDirectory)
 
-        def login(username: str, password: str) -> bool:
-            pass
+    def login(self, username: str, password: str) -> bool:
+        pass
 
-        def logout() -> None:
-            pass
+    def logout(self) -> None:
+        pass
 
-        def execute(command: str, firstParam: str, secondParam: str) -> bool:
-            pass
+    def parseCommand(self, command: str) -> str:
+        parsedCommand = command.split(" ")
+        if len(parsedCommand) > 3:
+            return "ERROR"
+        # TODO: Ez igy gecironda, ezt meg kene csinalni rendesen.
+        elif len(parsedCommand) == 1:
+            return self.execute(parsedCommand[0])
+        elif len(parsedCommand) == 2:
+            return self.execute(parsedCommand[0], parsedCommand[1])
+        elif len(parsedCommand) == 3:
+            return self.execute(parsedCommand[0], parsedCommand[1], parsedCommand[2])
+
+    def execute(self, command: str, firstParam: str = "", secondParam: str = "") -> str:
+        if self.homeDirectory == "" or self.currentDirectory == "" or self.executor.currentDirectory == "" or self.executor.baseDir == "":
+            raise Exception("Directories must not be empty string. Did the user log in?")
+        if command == "MKD":
+            if secondParam != "":
+                return "ERROR"
+            else:
+                return self.executor.createDirectory(firstParam)
+        elif command == "RMD":
+            if secondParam != "":
+                return "ERROR"
+            else:
+                return self.executor.removeDirectory(firstParam)
+        elif command == "GWD":
+            if secondParam != "" or firstParam != "":
+                return "ERROR"
+            else:
+                return self.executor.getCurrentDirectory()
+        elif command == "CWD":
+            if secondParam != "":
+                return "ERROR"
+            else:
+                return self.executor.setCurrentDirectory(firstParam)
+        elif command == "LST":
+            if secondParam != "" or firstParam != "":
+                return "ERROR"
+            else:
+                return self.executor.listCurrentDirectoryContent()
+        elif command == "RMF":
+            if secondParam != "":
+                return "ERROR"
+            else:
+                return self.executor.removeFileInCurrentDirectory(firstParam)
+        elif command == "UPL":
+            if secondParam != "":
+                return "ERROR"
+            else:
+                # TODO
+                pass
+        elif command == "DNL":
+            if secondParam != "":
+                return "ERROR"
+            else:
+                # TODO
+                pass
+        else:
+            return "ERROR"