diff --git a/include/base.h b/include/base.h
index fd7f6b5..2f86ad2 100644
--- a/include/base.h
+++ b/include/base.h
@@ -127,7 +127,7 @@ struct {
 /* -------------------------------------------------------------------------- */
 
 //
-// Server
+// Supervisor
 //
 struct {
     pthread_t *id;
diff --git a/include/cmds.h b/include/cmds.h
index 741d765..146b18b 100644
--- a/include/cmds.h
+++ b/include/cmds.h
@@ -23,15 +23,19 @@
     #include "../include/base.h"
 #endif
 
-void *launchScheduler(void*);
+char *CmdHelp(char**, Server_t*);
+char *CmdModel(char**, Server_t*);
+char *CmdShutdown(char**, Server_t*);
 
 struct {
     const char *name;
-    void* (*execute)(void*);
+    char* (*execute)(char**, Server_t*);
     const char *help;
 } typedef Command_t;
 
 Command_t cmdList[] =
 {
-    {"launch scheduler", launchScheduler, "Launches a scheduler instance"},
+    {"help", CmdHelp, "Help command"},
+    {"model", CmdModel, "Model command"},
+    {"shutdown", CmdShutdown, "Shutdown command"},
 };
diff --git a/include/model.h b/include/model.h
index 29b4458..1975b32 100644
--- a/include/model.h
+++ b/include/model.h
@@ -32,3 +32,9 @@ int ModelLoad(int id);
 void ModelCreate(Model_t **newModel);
 
 int ModelLoad(int id);
+
+void ModelRun(int id);
+
+void ModelStop(int id);
+
+void ModelShutdown(void);
diff --git a/include/server.h b/include/server.h
index b2e4b3d..ce08e27 100644
--- a/include/server.h
+++ b/include/server.h
@@ -33,7 +33,7 @@ void ServerInit(Server_t *server);
 // -------------------------------------------------------------------------- //
 static inline void ServerDestroy(Server_t *server)
 {
-    ;
+    free(server->id);
 }
 
 // -------------------------------------------------------------------------- //
diff --git a/src/cli.c b/src/cli.c
index 1492d78..26382f1 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -102,8 +102,7 @@ static inline int receiveSocket(int effectiveSocket, char *serverAnswer,
 
 int main(int argc, char **argv)
 {
-    int socketDescriptor, nextSocketDescriptor, readSize;
-    struct sockaddr_in server;
+    int socketDescriptor;
 
     char clientMessage[255] = {0};
     char serverReply[255] = {0};
@@ -142,7 +141,7 @@ int main(int argc, char **argv)
         sendSocket(socketDescriptor, clientMessage, strlen(clientMessage));
 
         //Received the data from the server
-        readSize = receiveSocket(socketDescriptor, serverReply, 200);
+        receiveSocket(socketDescriptor, serverReply, 200);
         printf("%s\n", serverReply);
 
         memset(serverReply, 0, 255);
diff --git a/src/cmds.c b/src/cmds.c
index 862ddd8..0e11406 100644
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -23,9 +23,58 @@
 #include "../include/scheduler.h"
 #include "../include/model.h"
 
+#define LINE_LENGTH 80
+#define LINE_NUMBER 15
+
 /* -------------------------------------------------------------------------- */
 
-void *CmdModel(void *args)
+char *CmdHelp(char **argv, Server_t *args)
 {
-
+    return "OK\n";
+}
+
+char *CmdModel(char **argv, Server_t *args)
+{
+    char *buf;
+    buf = (char *) calloc(LINE_NUMBER, LINE_LENGTH * sizeof(char));
+
+    if (!argv[1]) {
+        strcat(buf, "{create | delete | load | run}\n");
+        goto CmdModelEnd;
+    }
+
+    if (strcmp(argv[1], "create") == 0) {
+        strcat(buf, "You asked for us to create a model\n");
+    }
+
+    if (strcmp(argv[1], "delete") == 0) {
+        strcat(buf, "You asked for us to delete a model\n");
+    }
+
+    if (strcmp(argv[1], "load") == 0) {
+        strcat(buf, "You asked for us to load a model\n");
+    }
+
+    if (strcmp(argv[1], "run") == 0) {
+        strcat(buf, "You asked for us to run a model\n");
+    }
+
+CmdModelEnd:
+    return buf;
+}
+
+char *CmdShutdown(char **argv, Server_t *args)
+{
+    char *buf;
+    buf = (char *) calloc(LINE_NUMBER, LINE_LENGTH * sizeof(char));
+
+    ModelShutdown();
+    strcat(buf, "All model shutted down\n");
+
+    args->pleaseStop = true;
+    strcat(buf, "Server stopping\n");
+
+
+CmdShutdownEnd:
+    return buf;
 }
diff --git a/src/main.c b/src/main.c
index d816b26..50b5c8f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -21,6 +21,7 @@
 
 #include "../include/base.h"
 #include "../include/server.h"
+#include "../include/model.h"
 
 
 int main(int argc, char **argv)
@@ -31,19 +32,25 @@ int main(int argc, char **argv)
     // Go!
     printLog("Starting gem-graph-server...\n");
 
-    // random generator
+    // Initializing random generator
     t = time(&t);
     srand((unsigned) t);
 
     server0 = (Server_t*) calloc(1, sizeof(Server_t));
 
+    // Initializing model system
+    ModelSystemInit();
+
     // Launching server
     ServerInit(server0);
 
+    // Waiting for termination
     ServerWait(server0);
 
     // Exiting
     ServerDestroy(server0);
+    ModelSystemDestroy();
+    free(server0);
 
     return 0;
 }
diff --git a/src/model.c b/src/model.c
index 88fd7c7..1d8ca74 100644
--- a/src/model.c
+++ b/src/model.c
@@ -110,6 +110,7 @@ void ModelStop(int id)
 {
     // Creating structure for the Scheduler
     knownModel[id]->scheduler->pleaseStop = true;
+    printLog("Model %d stopped!\n", id);
 }
 
 void ModelDelete(Model_t *newModel)
@@ -117,6 +118,13 @@ void ModelDelete(Model_t *newModel)
     return;
 }
 
+void ModelShutdown(void)
+{
+    for (int i = 0; i < loadedModelIndex; i++) {
+        ModelStop(i);
+    }
+}
+
 /* -------------------------------------------------------------------------- */
 
 static void ModelPrepareSpace(Space_t *globalDrawingSpace, Model_t *model)
diff --git a/src/server.c b/src/server.c
index ac55834..3298488 100644
--- a/src/server.c
+++ b/src/server.c
@@ -79,6 +79,9 @@ static void *serverMain(void *server)
     struct sockaddr_in client;
     char clientRequest[255]= {0};
     char serverAnswer[255] = {0};
+    char **argv = NULL;
+    char *commandReturn;
+    int tokenIndex;
 
     // Get args
     args = (Server_t*) server;
@@ -131,10 +134,22 @@ static void *serverMain(void *server)
 
         printLog("Client request : %s\n",clientRequest);
 
-        for (int i = 0; i < LEN(cmdList); i++) { // TODO extract first command name
-            if (strcmp(cmdList[i].name, clientRequest) == 0) {
-                cmdList[i].execute(NULL);
-                strcpy(serverAnswer,"OK\0");
+        // get args in an array
+        tokenIndex = 0;
+        argv = (char**) realloc(argv, 1 * sizeof(char*));
+        argv[0] = strtok(clientRequest, " ");
+        while (argv[tokenIndex]) {
+            tokenIndex++;
+            argv = (char**) realloc(argv, (tokenIndex+1) * sizeof(char*));
+            argv[tokenIndex] = strtok(NULL, " ");
+        }
+
+        // test first arg to find command in cmdList
+        for (int i = 0; i < LEN(cmdList); i++) {
+            if (strcmp(cmdList[i].name, argv[0]) == 0) {
+                commandReturn = cmdList[i].execute(argv, args);
+                strcpy(serverAnswer, commandReturn);
+                free(commandReturn);
             }
         }
 
@@ -147,6 +162,7 @@ static void *serverMain(void *server)
         close(effectiveSocket);
     }
 
+    free(argv);
     printLog("Server #%lu offline\n", *args->id);
 
     return NULL;