diff --git a/commands.cpp b/commands.cpp
index b140c3d..23ad5c2 100644
--- a/commands.cpp
+++ b/commands.cpp
@@ -3,8 +3,6 @@
 Shell::Commands::Commands(Shell* s) : commands(), threadCommands()
 {
     parent = s;
-    if(created) throw CommandsAlreadyCreatedException();
-    created=true;
 }
 
 void Shell::Commands::add(Command* cmd, bool isthread){
@@ -25,6 +23,4 @@ int Shell::Commands::launch(const vector<string>* args, bool launchThread){
     throw CommandNotFoundException();
 }
 
-bool Shell::Commands::created = false;
-
 
diff --git a/main.cpp b/main.cpp
index 20c9752..6629e48 100644
--- a/main.cpp
+++ b/main.cpp
@@ -22,6 +22,7 @@ int main(int argc, char **argv)
     return EXIT_SUCCESS;
 }
 
-void setup(Shell *){
+void setup(Shell *s){
     cout << "Now entering in test shell...\n" << endl;
+    s->executeCmd("stty -ctlecho");
 }
diff --git a/shell.cpp b/shell.cpp
index facf731..d97c065 100644
--- a/shell.cpp
+++ b/shell.cpp
@@ -20,11 +20,12 @@ void Shell::setName(const string &value)
     name = value;
 }
 
-Shell::Shell( string n, string ps,void (*s)(Shell*)) : cmds(this)
+Shell::Shell( string n, string ps,void (*s)(Shell*), void (*pss)(Shell*)) : cmds(this)
 {
     shellSetup = s;
     name = n;
     this->ps = ps;
+    shellPostSetup = pss;
     notLoop = false;
 }
 
@@ -60,6 +61,9 @@ void Shell::launch(){
     status = executeCmd(args);
     delete args;
   } while (status);
+  if(shellPostSetup!=0) {
+      shellPostSetup(this);
+  }
 }
 
 int Shell::launchCmd(vector<string>* args)
@@ -129,6 +133,23 @@ void Shell::EofHandler(int){
     undoingLine = true;
 }
 
+void Shell::setShellSetup(void (*s)(Shell *)){
+    shellSetup=s;
+}
+
+void (*Shell::getShellSetup())(Shell*) {
+    return shellSetup;
+}
+
+void Shell::setShellPostSetup(void (*s)(Shell *)){
+    shellPostSetup=s;
+}
+
+void (*Shell::getShellPostSetup())(Shell*) {
+    return shellPostSetup;
+}
+
+
 void setEofHandler(void (*funcptr)(int)){
     struct sigaction *sa = new struct sigaction();
     sa->sa_handler = funcptr;
diff --git a/shell.h b/shell.h
index 26e57ca..192a0d8 100644
--- a/shell.h
+++ b/shell.h
@@ -29,11 +29,6 @@ class Shell : public CommandExecutor
         vector<Command*> commands; //commands that work the same thread of the shell
         vector<Command*> threadCommands; //commands that work on a different thread
 
-        //just one instance of the object
-        static bool created;
-        Commands(const Commands&);
-        Commands operator=(const Commands&);
-
     public:
         Commands(Shell*);
         void add(Command*, bool isthread=false);
@@ -45,6 +40,7 @@ class Shell : public CommandExecutor
     string ps;
     string name;
     void (*shellSetup)(Shell *);
+    void (*shellPostSetup)(Shell *);
     bool notLoop;
 
     int launchCmd(vector<string>* args);
@@ -55,21 +51,23 @@ class Shell : public CommandExecutor
     class IsUndoingLineException {};
 
 public:
-    Shell(string n="msh", string ps="MSH$", void (*s)(Shell*)=0);
+    Shell(string n="msh", string ps="MSH$", void (*s)(Shell*)=0, void (*pss)(Shell*)=0);
     string getPs() const;
     void setPs(const string &value);
     string getName() const;
     void setName(const string &value);
     void launch();
-
+    void setShellSetup(void (*)(Shell *));
+    void (*getShellSetup())(Shell*);
+    void setShellPostSetup(void (*)(Shell *));
+    void (*getShellPostSetup())(Shell*);
     //for in-shell commands
     void addCmd(Command *cmd, bool isThread=false);
     size_t howManyCmds() const;
     int executeCmd(vector<string>* args);
     int executeCmd(const string& args);
 
-    //exceptions
-    class CommandsAlreadyCreatedException{};
+    //excepsetions
     class CommandNotFoundException{};
     class ShellLaunchInSetupException{};
 };