diff --git a/apps/code/catalog.de.i18n b/apps/code/catalog.de.i18n
index bbfd013aa..b0e507e92 100644
--- a/apps/code/catalog.de.i18n
+++ b/apps/code/catalog.de.i18n
@@ -69,6 +69,11 @@ PythonImportKandinsky = "kandinsky Modul importieren"
 PythonImportRandom = "random Modul importieren"
 PythonImportMath = "math Modul importieren"
 PythonImportMatplotlibPyplot = "Import matplotlib.pyplot module"
+PythonImportOs = "os Modul importieren"
+PythonOsUname = "Informieren Sie sich über das System"
+PythonOsRemove = "Datei namens Dateiname entfernen"
+PythonOsRename = "Datei mit altem Namen in neuen Namen umbenennen"
+PythonOsListdir = "Dateien im Speicher auflisten"
 PythonImportTime = "time Modul importieren"
 PythonImportTurtle = "turtle Modul importieren"
 PythonIndex = "Index, bei dem x zuerst vorkommt"
diff --git a/apps/code/catalog.en.i18n b/apps/code/catalog.en.i18n
index 5f8657118..d546a6392 100644
--- a/apps/code/catalog.en.i18n
+++ b/apps/code/catalog.en.i18n
@@ -196,6 +196,11 @@ PythonTurtleSpeed = "Drawing speed between 0 and 10"
 PythonTurtleWrite = "Display a text"
 PythonUniform = "Floating point number in [a,b]"
 PythonImportTime = "Import time module"
+PythonImportOs = "Import os module"
+PythonOsUname = "Get infos about the system"
+PythonOsRemove = "Remove file named filename"
+PythonOsRename = "Rename file oldname to newname"
+PythonOsListdir = "List files in memory"
 PythonTimePrefix = "time module function prefix"
 PythonTimeSleep = "Wait for n second"
 PythonMonotonic = "Return monotonic time"
diff --git a/apps/code/catalog.es.i18n b/apps/code/catalog.es.i18n
index 35fa14d4e..6a30ad360 100644
--- a/apps/code/catalog.es.i18n
+++ b/apps/code/catalog.es.i18n
@@ -196,6 +196,11 @@ PythonTurtleSpeed = "Drawing speed between 0 and 10"
 PythonTurtleWrite = "Display a text"
 PythonUniform = "Floating point number in [a,b]"
 PythonImportTime = "Import time module"
+PythonImportOs = "Import os module"
+PythonOsUname = " Información del sistema "
+PythonOsRemove = "Eliminar un archivo"
+PythonOsRename = "Renombrar archivo"
+PythonOsListdir = "Archivos de la lista"
 PythonTimePrefix = "time module function prefix"
 PythonTimeSleep = "Esperar n segundos"
 PythonMonotonic = "Tiempo monótono de retorno"
diff --git a/apps/code/catalog.fr.i18n b/apps/code/catalog.fr.i18n
index 9b436400c..8561a0c05 100644
--- a/apps/code/catalog.fr.i18n
+++ b/apps/code/catalog.fr.i18n
@@ -196,6 +196,11 @@ PythonTurtleSpeed = "Vitesse du tracé entre 0 et 10"
 PythonTurtleWrite = "Affiche un texte"
 PythonUniform = "Nombre décimal dans [a,b]"
 PythonImportTime = "Importation du module temps"
+PythonImportOs = "Importation du module os"
+PythonOsUname = "Donne des infos sur le système"
+PythonOsRemove = "Supprime le fichier nommé filename"
+PythonOsRename = "Renomme oldname en newname"
+PythonOsListdir = "Liste les fichiers"
 PythonTimePrefix = "Préfixe fonction du module temps"
 PythonTimeSleep = "Attendre n secondes"
 PythonMonotonic = "Retourne le temps monotonic"
diff --git a/apps/code/catalog.hu.i18n b/apps/code/catalog.hu.i18n
index c344ab2bf..74b3f66d8 100644
--- a/apps/code/catalog.hu.i18n
+++ b/apps/code/catalog.hu.i18n
@@ -70,6 +70,11 @@ PythonImportRandom = "Véletlenszerü modul importálása"
 PythonImportMath = "Import matematikai modul"
 PythonImportMatplotlibPyplot = "Import matplotlib.pyplot module"
 PythonImportTime = "Idömodul importálása"
+PythonImportOs = "Os modul importálása"
+PythonOsUname = "Információ a rendszerről"
+PythonOsRemove = "Fájl eltávolítása"
+PythonOsRename = "Fájl átnevezése"
+PythonOsListdir = "Fájlok listázása"
 PythonImportTurtle = "Import teknös modul"
 PythonIndex = "Az elsö x esemény indexe"
 PythonInput = "Érték kérése"
diff --git a/apps/code/catalog.it.i18n b/apps/code/catalog.it.i18n
index eaecb080c..a1c54071a 100644
--- a/apps/code/catalog.it.i18n
+++ b/apps/code/catalog.it.i18n
@@ -71,6 +71,11 @@ PythonImportMath = "Importa modulo math"
 PythonImportMatplotlibPyplot = "Importa modulo matplotlib.pyplot"
 PythonImportTurtle = "Importa del modulo turtle"
 PythonImportTime = "Importa del modulo time"
+PythonImportOs = "Importa modulo os"
+PythonOsUname = "Ottieni informazioni sul sistema"
+PythonOsRemove = "Rimuovere un file"
+PythonOsRename = "Rinomina file"
+PythonOsListdir = "Elenca file"
 PythonIndex = "Indice prima occorrenza di x"
 PythonInput = "Inserire un valore"
 PythonInsert = "Inserire x in posizione i-esima"
diff --git a/apps/code/catalog.nl.i18n b/apps/code/catalog.nl.i18n
index bbe2b04c5..bc0361ed8 100644
--- a/apps/code/catalog.nl.i18n
+++ b/apps/code/catalog.nl.i18n
@@ -70,6 +70,11 @@ PythonImportRandom = "Importeer random module"
 PythonImportMath = "Importeer math module"
 PythonImportMatplotlibPyplot = "Import matplotlib.pyplot module"
 PythonImportTime = "Importeer time module"
+PythonImportOs = "Importeer os module"
+PythonOsUname = " Krijg systeeminfo"
+PythonOsRemove = "Een bestand verwijderen"
+PythonOsRename = "Hernoem bestand"
+PythonOsListdir = "Lijstbestanden"
 PythonImportTurtle = "Importeer turtle module"
 PythonIndex = "Index van de eerste x aanwezigheden"
 PythonInput = "Wijs een waarde toe"
diff --git a/apps/code/catalog.pt.i18n b/apps/code/catalog.pt.i18n
index f0b401b81..b0decb0ab 100644
--- a/apps/code/catalog.pt.i18n
+++ b/apps/code/catalog.pt.i18n
@@ -196,6 +196,11 @@ PythonTurtleSpeed = "Velocidade do desenho entre 0 e 10"
 PythonTurtleWrite = "Mostrar um texto"
 PythonUniform = "Número decimal em [a,b]"
 PythonImportTime = "Import time module"
+PythonImportOs = "Import os module"
+PythonOsUname = " Obter informações do sistema"
+PythonOsRemove = "Remover um ficheiro"
+PythonOsRename = "Renomear ficheiro"
+PythonOsListdir = "Listar ficheiros"
 PythonTimePrefix = "time module function prefix"
 PythonTimeSleep = "Wait for n second"
 PythonMonotonic = "Return monotonic time"
diff --git a/apps/code/catalog.universal.i18n b/apps/code/catalog.universal.i18n
index 371a33f44..768a4d7d2 100644
--- a/apps/code/catalog.universal.i18n
+++ b/apps/code/catalog.universal.i18n
@@ -86,6 +86,8 @@ PythonCommandImportKandinsky = "import kandinsky"
 PythonCommandImportMath = "import math"
 PythonCommandImportMatplotlibPyplot = "import matplotlib.pyplot"
 PythonCommandImportRandom = "import random"
+PythonCommandImportOs = "import os"
+PythonCommandImportFromOs = "from os import *"
 PythonCommandImportTime = "import time"
 PythonCommandImportTurtle = "import turtle"
 PythonCommandIndex = "list.index(x)"
@@ -212,6 +214,12 @@ PythonCommandTurtleFunctionWithoutArg = "turtle.\x11"
 PythonCommandUniform = "uniform(a,b)"
 PythonConstantE = "2.718281828459045"
 PythonConstantPi = "3.141592653589793"
+PythonOsCommandUname = "uname()"
+PythonOsCommandRemove = "remove(filename)"
+PythonOsCommandRename = "rename(oldname, newname)"
+PythonOsCommandRemoveWithoutArg = "remove(\x11)"
+PythonOsCommandRenameWithoutArg = "rename(\x11,)"
+PythonOsCommandListdir = "listdir()"
 PythonTurtleCommandBackward = "backward(x)"
 PythonTurtleCommandCircle = "circle(r)"
 PythonTurtleCommandColor = "color('c')"
diff --git a/apps/code/python_toolbox.cpp b/apps/code/python_toolbox.cpp
index bcd5ec925..fa8f72f24 100644
--- a/apps/code/python_toolbox.cpp
+++ b/apps/code/python_toolbox.cpp
@@ -256,6 +256,15 @@ const ToolboxMessageTree TimeModuleChildren[] = {
   ToolboxMessageTree::Leaf(I18n::Message::PythonCommandSleep, I18n::Message::PythonSleep)
 };
 
+const ToolboxMessageTree OsModuleChildren[] = {
+  ToolboxMessageTree::Leaf(I18n::Message::PythonCommandImportOs, I18n::Message::PythonImportOs, false),
+  ToolboxMessageTree::Leaf(I18n::Message::PythonCommandImportFromOs, I18n::Message::PythonImportOs, false),
+  ToolboxMessageTree::Leaf(I18n::Message::PythonOsCommandUname, I18n::Message::PythonOsUname, false),
+  ToolboxMessageTree::Leaf(I18n::Message::PythonOsCommandRemove, I18n::Message::PythonOsRemove, false, I18n::Message::PythonOsCommandRemoveWithoutArg),
+  ToolboxMessageTree::Leaf(I18n::Message::PythonOsCommandRename, I18n::Message::PythonOsRename, false, I18n::Message::PythonOsCommandRenameWithoutArg),
+  ToolboxMessageTree::Leaf(I18n::Message::PythonOsCommandListdir, I18n::Message::PythonOsListdir, false)
+};
+
 const ToolboxMessageTree modulesChildren[] = {
   ToolboxMessageTree::Node(I18n::Message::MathModule, MathModuleChildren),
   ToolboxMessageTree::Node(I18n::Message::CmathModule, CMathModuleChildren),
@@ -264,6 +273,7 @@ const ToolboxMessageTree modulesChildren[] = {
   ToolboxMessageTree::Node(I18n::Message::RandomModule, RandomModuleChildren),
   ToolboxMessageTree::Node(I18n::Message::KandinskyModule, KandinskyModuleChildren),
   ToolboxMessageTree::Node(I18n::Message::IonModule, IonModuleChildren),
+  ToolboxMessageTree::Node(I18n::Message::OsModule, OsModuleChildren),
   ToolboxMessageTree::Node(I18n::Message::TimeModule, TimeModuleChildren)
 };
 
diff --git a/apps/code/toolbox.universal.i18n b/apps/code/toolbox.universal.i18n
index 0600a4dfd..72bd47ef9 100644
--- a/apps/code/toolbox.universal.i18n
+++ b/apps/code/toolbox.universal.i18n
@@ -3,6 +3,7 @@ IonModule = "ion"
 KandinskyModule = "kandinsky"
 MathModule = "math"
 MatplotlibPyplotModule = "matplotlib.pyplot"
+OsModule = "os"
 TimeModule = "time"
 TurtleModule = "turtle"
 ForLoopMenu = "For"
diff --git a/ion/src/simulator/shared/main_sdl.cpp b/ion/src/simulator/shared/main_sdl.cpp
index 488e7e680..400cda9b0 100644
--- a/ion/src/simulator/shared/main_sdl.cpp
+++ b/ion/src/simulator/shared/main_sdl.cpp
@@ -78,18 +78,22 @@ int main(int argc, char * argv[]) {
     arguments.push_back(language);
   }
 
+#ifndef __EMSCRIPTEN__
   if (!argument_volatile) {
     loadPython(&arguments);
     SDL_SetEventFilter(event_filter, NULL);
   }
+#endif
 
   Ion::Simulator::Main::init();
 
   ion_main(arguments.size(), &arguments[0]);
 
+#ifndef __EMSCRIPTEN__
   if (!argument_volatile) {
     savePython();
   }
+#endif
   
   Ion::Simulator::Main::quit();