diff --git a/developpment/interfacer/commandManager.cpp b/developpment/interfacer/commandManager.cpp
index b4f7dec..4c89a55 100644
--- a/developpment/interfacer/commandManager.cpp
+++ b/developpment/interfacer/commandManager.cpp
@@ -8,3 +8,90 @@
  * TODO : Comment the code wiht odxygen
  *
  */
+
+#include "commandManager.h"
+
+
+CommandManager:: CommandManager():emptyIndex(0)
+{
+}
+
+void CommandManager::addNewCommand(	const std::string& commmand, 
+									const std::string& description, 
+									commanCallback_t callBack)
+{
+	if(emptyIndex >= MAX_MUNBER_OF_COMMANDS) // Check if the command list is full
+	{
+		std::cout << "Error | Intern | Command list is full!" << std::endl;
+		exit(1);
+	}
+	if(getLookUpIndex(commmand) >= 0) // Chek for command duplicats
+	{
+		std::cout << "Error | Intern | Command already exitst!" << std::endl;
+		exit(1);
+	}
+	
+	
+	commandLookup[emptyIndex].commmand = commmand; 
+	commandLookup[emptyIndex].description = description; 
+	commandLookup[emptyIndex].callBack = callBack; 
+	emptyIndex++;
+}
+
+void CommandManager::operator()(const std::string cmdName)
+{
+	int index = 0; 
+
+	if(cmdName == "help" || cmdName == "Help")
+	{
+		printHelp(); 
+		exit(1);
+	}
+	
+	if(cmdName == "-h" || cmdName == "-H")
+	{
+		printCommads(); 
+		exit(1);
+	}
+	
+	index = getLookUpIndex(cmdName); 
+
+	if(index < 0) 
+	{
+		std::cout << "Error | Intern | Invalid Command!" << std::endl;
+		exit(1);
+	}
+	
+	commandLookup[index].callBack(); 
+	exit(1);
+}
+
+
+// 
+// Privat memeber functions 
+//
+
+
+int CommandManager::getLookUpIndex(const std::string& cmd)
+{
+	int index = 0; 
+	for (index = 0; index < emptyIndex; index++) 
+	{
+		if(commandLookup[index].commmand == cmd)
+		{
+			return index; 
+		}
+	}
+	return -1; 
+}
+
+void CommandManager::printHelp()
+{
+	std::cout << "Function : printHelp is under construction" << std::endl; 
+}
+
+void CommandManager::printCommads()
+{
+	std::cout << "Function : printCommads is under construction" << std::endl; 
+}
+
diff --git a/developpment/interfacer/commandManager.h b/developpment/interfacer/commandManager.h
new file mode 100644
index 0000000..5d7eff2
--- /dev/null
+++ b/developpment/interfacer/commandManager.h
@@ -0,0 +1,53 @@
+/*
+ * Authors : Kerem Yollu & Edwin Koch
+ * Date : 07.03.2021
+ *
+ * Description : 
+ * TODO : Inplement singleton pattern 
+ * TODO : Write description
+ * TODO : Comment the code wiht odxygen
+ *
+ */
+
+
+#ifndef _COMMMANDMANAGER_H_
+#define _COMMMANDMANAGER_H_
+
+#include <iostream>
+#include <array>
+#include <string>
+#include <functional>
+
+#define MAX_MUNBER_OF_COMMANDS 4
+
+class CommandManager 
+{
+	public: 
+		typedef std::function<void(void)> commanCallback_t; 
+		CommandManager();
+		void addNewCommand(	const std::string& commmand, 
+							const std::string& description, 
+							commanCallback_t callBack);
+
+		void operator()(const std::string cmdName);
+
+
+	private: 
+		unsigned int emptyIndex; 
+
+		struct commant_t{
+			std::string commmand; 
+			std::string description; 
+			commanCallback_t callBack; // The Callback function could only be a void returning a void. 
+		}; 
+
+		std::array <commant_t, MAX_MUNBER_OF_COMMANDS> commandLookup; 
+		int getLookUpIndex(const std::string& cmd); // If command exists retunrs the index otherwise -1
+		void printHelp(); // Prints all awailbale commands and their description.
+		void printCommads(); // Prints all awailable commnads without description.
+};
+
+
+
+
+#endif // _COMMMANDMANAGER_H_
diff --git a/developpment/interfacer/commandManager.o b/developpment/interfacer/commandManager.o
new file mode 100644
index 0000000..c9eefcf
Binary files /dev/null and b/developpment/interfacer/commandManager.o differ
diff --git a/developpment/interfacer/errorHandling.cpp b/developpment/interfacer/errorHandling.cpp
index 4e72b7c..9e30a38 100644
--- a/developpment/interfacer/errorHandling.cpp
+++ b/developpment/interfacer/errorHandling.cpp
@@ -4,18 +4,6 @@ ErrorHandler::ErrorHandler(): emptyIndex(0)
 {
 }
 
-int ErrorHandler::getLookUpIndex(int errNo)
-{
-	int i = 0; 
-	for(i = 0; i < emptyIndex; i++)
-	{
-		if(errNo == errorLookup[i].errNo)
-		{
-			return i;
-		}
-	}
-	return -1; 
-}
 
 void ErrorHandler::handleError(int errNo)
 {
@@ -51,3 +39,20 @@ void ErrorHandler::addNewError(const int& no, const std::string& message)
 	errorLookup[emptyIndex].errMessage = message; 
 	emptyIndex++; 
 }
+
+// 
+// Privat memeber functions 
+//
+
+int ErrorHandler::getLookUpIndex(int errNo)
+{
+	int i = 0; 
+	for(i = 0; i < emptyIndex; i++)
+	{
+		if(errNo == errorLookup[i].errNo)
+		{
+			return i;
+		}
+	}
+	return -1; 
+}
diff --git a/developpment/interfacer/errorHandling.o b/developpment/interfacer/errorHandling.o
new file mode 100644
index 0000000..5826368
Binary files /dev/null and b/developpment/interfacer/errorHandling.o differ
diff --git a/developpment/interfacer/interfacer.cpp b/developpment/interfacer/interfacer.cpp
index fb667af..500ffab 100644
--- a/developpment/interfacer/interfacer.cpp
+++ b/developpment/interfacer/interfacer.cpp
@@ -7,11 +7,13 @@
  *
  */
 
-#include "errorHandling.h"
 #include <iostream>
-
+#include "errorHandling.h"
+#include "commandManager.h"
 
 ErrorHandler errorHandle;
+CommandManager commander; 
+
 
 int initPlatform()
 {
@@ -20,17 +22,23 @@ int initPlatform()
 	return 0; 
 }
 
-
+void dummy() 
+{
+	std::cout << "HElllooo from the the other side signed adele" << std::endl;
+}
 
 int main(int argc, char *argv[])
 {
 
-	errorHandle.addNewError(-34,"Test eroor 1"); 
-//	errorHandle.handleError(-34); 
-
-	errorHandle.addNewError(-34,"Test eroor"); 
-
 	// Init 
 	std::cout << "Main" << std::endl;
+	//errorHandle.addNewError(-34,"Test eroor 1"); 
+	//errorHandle.handleError(-34); 
+	
+	commander.addNewCommand("test", "The test command for testing the test", dummy); 
+
+	commander(argv[1]); 	
+	
+
 	return 1; 
 }
diff --git a/developpment/interfacer/interfacer.o b/developpment/interfacer/interfacer.o
new file mode 100644
index 0000000..7f2055e
Binary files /dev/null and b/developpment/interfacer/interfacer.o differ
diff --git a/developpment/interfacer/runtest b/developpment/interfacer/runtest
new file mode 100755
index 0000000..6b6d4e2
Binary files /dev/null and b/developpment/interfacer/runtest differ