diff --git a/.gitignore b/.gitignore
index 27bb7a22c..0b5079e04 100644
--- a/.gitignore
+++ b/.gitignore
@@ -64,3 +64,6 @@ target/
 
 # VS Code
 .vscode
+
+# virtualenv
+venv/
diff --git a/routersploit/interpreter.py b/routersploit/interpreter.py
index 381c24bf8..f39f701ab 100644
--- a/routersploit/interpreter.py
+++ b/routersploit/interpreter.py
@@ -16,6 +16,7 @@
 class BaseInterpreter(object):
     history_file = os.path.expanduser("~/.history")
     history_length = 100
+    global_help = ""
 
     def __init__(self):
         self.setup()
@@ -146,6 +147,18 @@ def suggested_commands(self):
 
 class RoutersploitInterpreter(BaseInterpreter):
     history_file = os.path.expanduser("~/.rsf_history")
+    global_help = """Global commands:
+    help                        Print this help menu
+    use <module>                Select a module for usage
+    exec <shell command> <args> Execute a command in a shell
+    exit                        Exit RouterSploit"""
+
+    module_help = """Module commands:
+    run                                 Run the selected module with the given options
+    back                                De-select the current module
+    set <option name> <option value>    Set an option for the selected module
+    show [info|options|devices]         Print information, options, or target devices for a module
+    check                               Check if a given target is vulnerable to a selected module's exploit"""
 
     def __init__(self):
         super(RoutersploitInterpreter, self).__init__()
@@ -231,9 +244,9 @@ def suggested_commands(self):
         :return: list of most accurate command suggestions
         """
         if self.current_module:
-            return ['run', 'back', 'set ', 'show ', 'check', 'exit']
+            return ['run', 'back', 'set ', 'show ', 'check', 'exec', 'help', 'exit']
         else:
-            return ['use ', 'exit']
+            return ['use ', 'exec', 'help', 'exit']
 
     def command_back(self, *args, **kwargs):
         self.current_module = None
@@ -259,6 +272,9 @@ def command_run(self, *args, **kwargs):
         utils.print_status("Running module...")
         try:
             self.current_module.run()
+        except KeyboardInterrupt:
+            print()
+            utils.print_error("Operation cancelled by user")
         except:
             utils.print_error(traceback.format_exc(sys.exc_info()))
 
@@ -351,8 +367,8 @@ def complete_show(self, text, *args, **kwargs):
     def command_check(self, *args, **kwargs):
         try:
             result = self.current_module.check()
-        except:
-            utils.print_error(traceback.format_exc(sys.exc_info()))
+        except Exception as error:
+            utils.print_error(error)
         else:
             if result is True:
                 utils.print_success("Target is vulnerable")
@@ -361,5 +377,13 @@ def command_check(self, *args, **kwargs):
             else:
                 utils.print_status("Target could not be verified")
 
+    def command_help(self, *args, **kwargs):
+        print(self.global_help)
+        if self.current_module:
+            print("\n", self.module_help)
+
+    def command_exec(self, *args, **kwargs):
+        os.system(args[0])
+
     def command_exit(self, *args, **kwargs):
         raise KeyboardInterrupt
diff --git a/routersploit/modules/scanners/autopwn.py b/routersploit/modules/scanners/autopwn.py
index 35a3a79b4..b0db33514 100644
--- a/routersploit/modules/scanners/autopwn.py
+++ b/routersploit/modules/scanners/autopwn.py
@@ -69,6 +69,6 @@ def run(self):
                 print_info(" - {}".format(v))
         else:
             print_error("Device is not vulnerable to any exploits!\n")
-        
+
     def check(self):
-        print_error("Check method is not available")
+        raise NotImplementedError("Check method is not available")
diff --git a/routersploit/modules/scanners/dlink_scan.py b/routersploit/modules/scanners/dlink_scan.py
index 5b2e53d96..ff614c0c8 100644
--- a/routersploit/modules/scanners/dlink_scan.py
+++ b/routersploit/modules/scanners/dlink_scan.py
@@ -68,4 +68,4 @@ def run(self):
         print
 
     def check(self):
-        print_error("Check method is not available")
+        raise NotImplementedError("Check method is not available")
diff --git a/routersploit/test/test_completer.py b/routersploit/test/test_completer.py
index 7a7d924a8..4da68abd9 100644
--- a/routersploit/test/test_completer.py
+++ b/routersploit/test/test_completer.py
@@ -32,7 +32,7 @@ def set_module(self):
 
     def test_raw_commands_no_module(self):
         self.rsf.send("\t\t")
-        self.assertPrompt('exit  use   \r\n', self.raw_prompt)
+        self.assertPrompt('exec  exit  help  use   \r\n', self.raw_prompt)
 
     def test_complete_use_raw(self):
         self.rsf.send("u\t\t")
@@ -89,7 +89,7 @@ def test_raw_commands_with_module(self):
         self.set_module()
         self.rsf.send("\t\t")
         self.assertPrompt(
-            'back   check  exit   run    set    show   \r\n',
+            'back   check  exec   exit   help   run    set    show   \r\n',
             self.module_prompt('FTP Bruteforce')
         )
 
diff --git a/routersploit/test/test_interpreter.py b/routersploit/test/test_interpreter.py
index b97ae157a..2664a1a42 100644
--- a/routersploit/test/test_interpreter.py
+++ b/routersploit/test/test_interpreter.py
@@ -109,6 +109,15 @@ def test_command_check_target_could_not_be_verified_2(self, print_status):
             mock_check.assert_called_once_with()
             print_status.assert_called_once_with('Target could not be verified')
 
+    @mock.patch('routersploit.utils.print_error')
+    def test_command_check_not_supported_by_module(self, print_error):
+        with mock.patch.object(self.interpreter.current_module, 'check') as mock_check:
+            exception = NotImplementedError("Not available")
+            mock_check.side_effect = exception
+            self.interpreter.command_check()
+            mock_check.assert_called_once_with()
+            print_error.assert_called_once_with(exception)
+
     @mock.patch('sys.exc_info')
     @mock.patch('traceback.format_exc')
     @mock.patch('routersploit.utils.print_error')
@@ -179,14 +188,14 @@ def test_module_prompt_module_has_no_name_key_in_metadata(self):
     def test_suggested_commands_with_loaded_module(self):
         self.assertEqual(
             self.interpreter.suggested_commands(),
-            ['run', 'back', 'set ', 'show ', 'check', 'exit']  # Extra space at the end because of following param
+            ['run', 'back', 'set ', 'show ', 'check', 'exec', 'help', 'exit']  # Extra space at the end because of following param
         )
 
     def test_suggested_commands_without_loaded_module(self):
         self.interpreter.current_module = None
         self.assertEqual(
             self.interpreter.suggested_commands(),  # Extra space at the end because of following param
-            ['use ', 'exit']
+            ['use ', 'exec', 'help', 'exit']
         )
 
     @mock.patch('importlib.import_module')
@@ -425,5 +434,10 @@ def test_command_exit(self):
         with self.assertRaises(KeyboardInterrupt):
             self.interpreter.command_exit()
 
+    @mock.patch('os.system')
+    def test_command_exec(self, mock_system):
+        self.interpreter.command_exec("foo -bar")
+        mock_system.assert_called_once_with("foo -bar")
+
 if __name__ == '__main__':
     unittest.main()