diff --git a/esp3d/configuration.h b/esp3d/configuration.h
index 1513dce0..58bb0b7b 100644
--- a/esp3d/configuration.h
+++ b/esp3d/configuration.h
@@ -162,6 +162,11 @@
 //ESP_GCODE_HOST_FEATURE : allow to send GCODE with ack
 #define ESP_GCODE_HOST_FEATURE
 
+//ESP_AUTOSTART_SCRIPT : to do some actions / send GCODE at start, need ESP_GCODE_HOST_FEATURE enabled
+//can be  a line od several GCODES separated by `\n` e.g. "M21\nM117 SD mounted\n"
+//can be  a file name, if exists, commands inside will be processed, e.g "/FS:/autostart.esp"
+#define ESP_AUTOSTART_SCRIPT "M117 Mouning SD\nM21\n"
+
 //Extra features /////////////////////////////////////////////////////////////////////////
 /************************************
  *
diff --git a/esp3d/src/core/commands.cpp b/esp3d/src/core/commands.cpp
index b4c7acc4..9347fe4b 100644
--- a/esp3d/src/core/commands.cpp
+++ b/esp3d/src/core/commands.cpp
@@ -506,7 +506,7 @@ bool Commands::execute_internal_command (int cmd, const char* cmd_params, level_
         response = ESP710(cmd_params, auth_type, output);
         break;
 #endif //FILESYSTEM_FEATURE 
-#ifdef FILESYSTEM_FEATURE
+#if defined(FILESYSTEM_FEATURE) && defined(ESP_GCODE_HOST_FEATURE)
     //Open local file
     //[ESP700]<filname>
     case 700:
diff --git a/esp3d/src/core/commands.h b/esp3d/src/core/commands.h
index 5170cfb4..ed588332 100644
--- a/esp3d/src/core/commands.h
+++ b/esp3d/src/core/commands.h
@@ -112,7 +112,7 @@ public:
     bool ESP600(const char* cmd_params, level_authenticate_type auth_level, ESP3DOutput * output);
     bool ESP610(const char* cmd_params, level_authenticate_type auth_level, ESP3DOutput * output);
 #endif //NOTIFICATION_FEATURE
-#if defined(FILESYSTEM_FEATURE)
+#if defined(FILESYSTEM_FEATURE) && defined(ESP_GCODE_HOST_FEATURE)
     bool ESP700(const char* cmd_params, level_authenticate_type auth_level, ESP3DOutput * output);
 #endif //FILESYSTEM_FEATURE
 #if defined(FILESYSTEM_FEATURE)
diff --git a/esp3d/src/core/esp3d.cpp b/esp3d/src/core/esp3d.cpp
index af80fd97..21907d21 100644
--- a/esp3d/src/core/esp3d.cpp
+++ b/esp3d/src/core/esp3d.cpp
@@ -40,7 +40,9 @@
 #ifdef DISPLAY_DEVICE
 #include "../modules/display/display.h"
 #endif //DISPLAY_DEVICE
-
+#ifdef ESP_GCODE_HOST_FEATURE
+#include "../modules/gcode_host/gcode_host.h"
+#endif //ESP_GCODE_HOST_FEATURE
 #include "esp3doutput.h"
 #include "../modules/boot_delay/boot_delay.h"
 
@@ -107,6 +109,9 @@ bool Esp3D::begin()
         res = false;
     }
 #endif //WIFI_FEATURE
+#if defined(ESP_AUTOSTART_SCRIPT)
+    esp3d_gcode_host.processscript(ESP_AUTOSTART_SCRIPT);
+#endif //ESP_AUTOSTART_FEATURE
     return res;
 }
 
diff --git a/esp3d/src/core/espcmd/ESP700.cpp b/esp3d/src/core/espcmd/ESP700.cpp
index 5b19ffad..618c215e 100644
--- a/esp3d/src/core/espcmd/ESP700.cpp
+++ b/esp3d/src/core/espcmd/ESP700.cpp
@@ -18,7 +18,7 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 #include "../../include/esp3d_config.h"
-#if defined (FILESYSTEM_FEATURE)
+#if defined (FILESYSTEM_FEATURE) && defined(ESP_GCODE_HOST_FEATURE)
 #include "../commands.h"
 #include "../esp3doutput.h"
 #include "../settings_esp3d.h"
@@ -47,4 +47,4 @@ bool Commands::ESP700(const char* cmd_params, level_authenticate_type auth_type,
     return response;
 }
 
-#endif //FILESYSTEM_FEATURE
+#endif //FILESYSTEM_FEATURE && ESP_GCODE_HOST_FEATURE
diff --git a/esp3d/src/include/version.h b/esp3d/src/include/version.h
index 01b932a0..fd6dc1d9 100644
--- a/esp3d/src/include/version.h
+++ b/esp3d/src/include/version.h
@@ -22,7 +22,7 @@
 #define _VERSION_ESP3D_H
 
 //version and sources location
-#define FW_VERSION "3.0.0.a20"
+#define FW_VERSION "3.0.0.a21"
 #define REPOSITORY "https://github.com/luc-github/ESP3D"
 
 #endif //_VERSION_ESP3D_H
diff --git a/esp3d/src/modules/gcode_host/gcode_host.cpp b/esp3d/src/modules/gcode_host/gcode_host.cpp
index 97668965..5c8ae251 100644
--- a/esp3d/src/modules/gcode_host/gcode_host.cpp
+++ b/esp3d/src/modules/gcode_host/gcode_host.cpp
@@ -23,6 +23,7 @@
 #include "gcode_host.h"
 #include "../../core/settings_esp3d.h"
 #include "../../core/commands.h"
+#include "../../core/esp3doutput.h"
 #include "../serial/serial_service.h"
 #include "../filesystem/esp_filesystem.h"
 
@@ -321,6 +322,7 @@ bool GcodeHost::processFSFile(const char * filename, level_authenticate_type aut
                         if (!sendCommand(cmd.c_str(),false, true)) {
                             log_esp3d("Error sending command");
                             //To stop instead of continue may need some trigger
+                            res = false;
                         }
                     }
                 }
@@ -335,6 +337,55 @@ bool GcodeHost::processFSFile(const char * filename, level_authenticate_type aut
     return res;
 }
 
+bool GcodeHost::processscript(const char * line)
+{
+    bool res = true;
+    String s = line;
+    s.trim();
+    ESP3DOutput output(ESP_ALL_CLIENTS);
+    if (s.startsWith(ESP_FLASH_FS_HEADER)) {
+        res = processFile(line, LEVEL_ADMIN, &output);
+    } else {
+        res = processLine(line, LEVEL_ADMIN, &output);
+    }
+    return res;
+}
+
+//split line of command separated by '\n'
+bool GcodeHost::processLine(const char * line, level_authenticate_type auth_type, ESP3DOutput * output)
+{
+    bool res = true;
+    String s = "";
+    for (uint p = 0; p < strlen(line); p++) {
+        if ((line[p]==10) || (line[p]==13) || (p == (strlen(line)-1))) {
+            if (!((line[p]==10) || (line[p]==13)) && (p == (strlen(line)-1))) {
+                s+=line[p];
+            }
+            s.trim();
+            if (s.length()>0) {
+                //ignore  comments
+                if (s[0]!=';') {
+                    //it is internal or not ?
+                    if(esp3d_commands.is_esp_command((uint8_t *)s.c_str(), s.length())) {
+                        esp3d_commands.process((uint8_t *)s.c_str(), s.length(), output, auth_type);
+                    } else {
+                        //no check sum no ack
+                        if (!sendCommand(s.c_str(),false, false)) {
+                            log_esp3d("Error sending command");
+                            //To stop instead of continue may need some trigger
+                            res = false;
+                        }
+                    }
+                }
+            }
+            s = "";
+        } else {
+            s+=line[p];
+        }
+    }
+    return res;
+}
+
 bool GcodeHost::processFile(const char * filename, level_authenticate_type auth_type, ESP3DOutput * output)
 {
     String FileName = filename;
diff --git a/esp3d/src/modules/gcode_host/gcode_host.h b/esp3d/src/modules/gcode_host/gcode_host.h
index 84d62bd2..78523fbf 100644
--- a/esp3d/src/modules/gcode_host/gcode_host.h
+++ b/esp3d/src/modules/gcode_host/gcode_host.h
@@ -73,6 +73,8 @@ public:
     }
     bool processFile(const char * filename, level_authenticate_type auth_type, ESP3DOutput * output);
     bool processFSFile(const char * filename, level_authenticate_type auth_type, ESP3DOutput * output);
+    bool processLine(const char * line, level_authenticate_type auth_type, ESP3DOutput * output);
+    bool processscript(const char * line);
 private:
     uint32_t _commandnumber;
     uint32_t _needcommandnumber;