diff --git a/src/luaengineapp/luaengineapp.pro b/src/luaengineapp/luaengineapp.pro
index d47dec2..7512de1 100644
--- a/src/luaengineapp/luaengineapp.pro
+++ b/src/luaengineapp/luaengineapp.pro
@@ -21,15 +21,15 @@ CONFIG += c++11
 
 static: DEFINES += LUAENGINE_STATIC
 
-CONFIG(debug, debug|release): win32: LIBS += -L$$OUT_PWD/../luaengineos/debug -lluaengineos -L$$OUT_PWD/../luaenginegui/debug -lluaenginegui -L$$OUT_PWD/../luaengine/debug -lluaengine
-CONFIG(release, debug|release): win32: LIBS += -L$$OUT_PWD/../luaengineos/release -lluaengineos -L$$OUT_PWD/../luaenginegui/release -lluaenginegui -L$$OUT_PWD/../luaengine/release -lluaengine
-unix: LIBS += -L$$OUT_PWD/../luaengineos -lluaengineos -L$$OUT_PWD/../luaenginegui -lluaenginegui -L$$OUT_PWD/../luaengine -lluaengine
-win32: LIBS += -luser32
+CONFIG(debug, debug|release): win32: LIBS += -L$$OUT_PWD/../luaengineos/debug -lluaengineos -L$$OUT_PWD/../luaengineio/debug -lluaengineio -L$$OUT_PWD/../luaenginegui/debug -lluaenginegui -L$$OUT_PWD/../luaengine/debug -lluaengine
+CONFIG(release, debug|release): win32: LIBS += -L$$OUT_PWD/../luaengineos/release -lluaengineos -L$$OUT_PWD/../luaengineio/release -lluaengineio -L$$OUT_PWD/../luaenginegui/release -lluaenginegui -L$$OUT_PWD/../luaengine/release -lluaengine
+unix: LIBS += -L$$OUT_PWD/../luaengineos -lluaengineos -L$$OUT_PWD/../luaengineio -lluaengineio -L$$OUT_PWD/../luaenginegui -lluaenginegui -L$$OUT_PWD/../luaengine -lluaengine
 
 INCLUDEPATH += \
     ../luaengine/lua \
     ../luaengine/luaengine \
     ../luaenginegui/luaengine \
+    ../luaengineio/luaengine \
     ../luaengineos/luaengine
 
 SOURCES += \
diff --git a/src/luaengineapp/main.cpp b/src/luaengineapp/main.cpp
index add2bf5..9074f5c 100644
--- a/src/luaengineapp/main.cpp
+++ b/src/luaengineapp/main.cpp
@@ -16,6 +16,7 @@
 *****************************************************************************/
 
 #include "LuaEngineGui.h"
+#include "LuaEngineIO.h"
 #include "LuaEngineOS.h"
 #include <QApplication>
 #include <QFont>
@@ -52,6 +53,7 @@ int main(int argc, char *argv[])
 #endif
 
     LuaEngineGui luaEngineGui;
+    LuaEngineIO::pushClass(&luaEngineGui);
     LuaEngineOS::pushClass(&luaEngineGui);
     luaEngineGui.executeLuaScript(luaScript);
 
diff --git a/src/luaengineio/luaengine/LuaEngineIO.cpp b/src/luaengineio/luaengine/LuaEngineIO.cpp
new file mode 100644
index 0000000..c2b17e6
--- /dev/null
+++ b/src/luaengineio/luaengine/LuaEngineIO.cpp
@@ -0,0 +1,110 @@
+/*****************************************************************************
+* luaEngine Lua Engine for Qt
+* Copyright (C) 2019 Syping
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*****************************************************************************/
+
+#include "LuaEngineIO.h"
+#include <QDirIterator>
+#include <QTextStream>
+#include <QObject>
+#include <QString>
+#include <QFile>
+#ifdef Q_OS_WIN
+#include "windows.h"
+#include <iostream>
+#else
+#include "unistd.h"
+#endif
+
+LuaEngineIO::LuaEngineIO(QObject *parent, bool loadBaseLibraries) : LuaEngine(parent, loadBaseLibraries)
+{
+    L = luaState();
+    pushClass(L);
+}
+
+void LuaEngineIO::pushClass(lua_State *L_p)
+{
+    // Directory
+    pushFunction(L_p, "directoryListFiles", directoryListFiles);
+
+    // File
+    pushFunction(L_p, "linkFile", linkFile);
+    pushVariant(L_p, "Symlink", (int)0);
+    pushVariant(L_p, "Hardlink", (int)1);
+}
+
+void LuaEngineIO::pushClass(LuaEngine *luaEngine)
+{
+    pushClass(luaEngine->luaState());
+}
+
+int LuaEngineIO::directoryListFiles(lua_State *L_p)
+{
+    if (getArgumentCount(L_p) >= 1) {
+        QStringList directories;
+        QStringList nameFilters;
+        QString directory = getVariant(L_p, 1).toString();
+        if (getArgumentCount(L_p) >= 2) {
+            nameFilters << getVariant(L_p, 2).toString();
+        }
+        QDirIterator dirIterator(directory, nameFilters, QDir::Files | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
+        while (dirIterator.hasNext()) {
+            directories << dirIterator.next();
+        }
+        pushVariant(L_p, directories);
+        return 1;
+    }
+    return 0;
+}
+
+int LuaEngineIO::linkFile(lua_State *L_p)
+{
+    if (getArgumentCount(L_p) >= 2) {
+        bool symlinkMode = true;
+        if (getArgumentCount(L_p) >= 3 && getVariant(L_p, 3).toInt() == 1) {
+            symlinkMode = false;
+        }
+        bool linkSucceeded = false;
+        if (symlinkMode) {
+#ifdef Q_OS_WIN
+            QString targetFile = getVariant(L_p, 2).toString();
+            if (targetFile.right(4) != ".lnk") {
+                targetFile += ".lnk";
+            }
+            linkSucceeded = QFile::link(getVariant(L_p, 1).toString(), targetFile);
+#else
+            linkSucceeded = QFile::link(getVariant(L_p, 1).toString(), getVariant(L_p, 2).toString());
+#endif
+        }
+        else {
+#ifdef Q_OS_WIN
+            linkSucceeded = CreateHardLinkW(getVariant(L_p, 2).toString().toStdWString().c_str(), getVariant(L_p, 1).toString().toStdWString().c_str(), NULL);
+#else
+            linkSucceeded = link(getVariant(L_p, 1).toString().toUtf8().data(), getVariant(L_p, 2).toString().toUtf8().data());
+#endif
+        }
+        pushVariant(L_p, linkSucceeded);
+        return 1;
+    }
+    getVariant(L_p, false);
+    return 1;
+}
+
+QString LuaEngineIO::nameForPointer(void *pointer)
+{
+    QString nameStorage;
+    QTextStream(&nameStorage) << "LuaEngineIO" << pointer;
+    return nameStorage;
+}
diff --git a/src/luaengineio/luaengine/LuaEngineIO.h b/src/luaengineio/luaengine/LuaEngineIO.h
new file mode 100644
index 0000000..6b375ed
--- /dev/null
+++ b/src/luaengineio/luaengine/LuaEngineIO.h
@@ -0,0 +1,41 @@
+/*****************************************************************************
+* luaEngine Lua Engine for Qt
+* Copyright (C) 2019 Syping
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*****************************************************************************/
+
+#ifndef LUAENGINEIO_H
+#define LUAENGINEIO_H
+
+#include "LuaEngineIO_global.h"
+#include "LuaEngine.h"
+#include <QString>
+#include <QObject>
+
+class LUAENGINEIOSHARED_EXPORT LuaEngineIO : public LuaEngine
+{
+    Q_OBJECT
+public:
+    LuaEngineIO(QObject *parent = nullptr, bool loadBaseLibraries = true);
+    static void pushClass(lua_State *L_p);
+    static void pushClass(LuaEngine *luaEngine);
+    static int directoryListFiles(lua_State *L_p);
+    static int linkFile(lua_State *L_p);
+
+private:
+    lua_State *L;
+    static QString nameForPointer(void *pointer);
+};
+
+#endif // LUAENGINEIO_H
diff --git a/src/luaengineio/luaengine/LuaEngineIO_global.h b/src/luaengineio/luaengine/LuaEngineIO_global.h
new file mode 100644
index 0000000..3b908cb
--- /dev/null
+++ b/src/luaengineio/luaengine/LuaEngineIO_global.h
@@ -0,0 +1,33 @@
+/*****************************************************************************
+* luaEngine Lua Engine for Qt
+* Copyright (C) 2019 Syping
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*****************************************************************************/
+
+#ifndef LUAENGINEIO_GLOBAL_H
+#define LUAENGINEIO_GLOBAL_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef LUAENGINE_STATIC
+#ifdef LUAENGINEIO_LIBRARY
+#define LUAENGINEIOSHARED_EXPORT Q_DECL_EXPORT
+#else
+#define LUAENGINEIOSHARED_EXPORT Q_DECL_IMPORT
+#endif
+#else
+#define LUAENGINEIOSHARED_EXPORT
+#endif
+
+#endif // LUAENGINEIO_GLOBAL_H
diff --git a/src/luaengineio/luaengineio.pro b/src/luaengineio/luaengineio.pro
new file mode 100644
index 0000000..1edd56a
--- /dev/null
+++ b/src/luaengineio/luaengineio.pro
@@ -0,0 +1,49 @@
+#/*****************************************************************************
+#* luaEngine Lua Engine for Qt
+#* Copyright (C) 2019 Syping
+#*
+#* Licensed under the Apache License, Version 2.0 (the "License");
+#* you may not use this file except in compliance with the License.
+#* You may obtain a copy of the License at
+#*
+#*     http://www.apache.org/licenses/LICENSE-2.0
+#*
+#* Unless required by applicable law or agreed to in writing, software
+#* distributed under the License is distributed on an "AS IS" BASIS,
+#* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#* See the License for the specific language governing permissions and
+#* limitations under the License.
+#*****************************************************************************/
+
+QT += core
+TARGET = luaengineio
+TEMPLATE = lib
+CONFIG += c++11 \
+    skip_target_version_ext
+VERSION = 0.1
+
+DEFINES += LUAENGINEIO_LIBRARY
+static: DEFINES += LUAENGINE_STATIC
+
+CONFIG(debug, debug|release): win32: LIBS += -L$$OUT_PWD/../luaengine/debug -lluaengine
+CONFIG(release, debug|release): win32: LIBS += -L$$OUT_PWD/../luaengine/release -lluaengine
+unix: LIBS += -L$$OUT_PWD/../luaengine -lluaengine
+
+INCLUDEPATH += \
+    ../luaengine/lua \
+    ../luaengine/luaengine
+
+SOURCES += \
+    luaengine/LuaEngineIO.cpp
+
+HEADERS += \
+    luaengine/LuaEngineIO.h \
+    luaengine/LuaEngineIO_global.h
+
+win32 {
+    RC_LANG = 0x0
+    QMAKE_TARGET_COMPANY = "Syping"
+    QMAKE_TARGET_DESCRIPTION = "LuaEngine I/O Library"
+    QMAKE_TARGET_COPYRIGHT = "Copyright (c) 2019 Syping"
+    QMAKE_TARGET_PRODUCT = "luaengineio"
+}
diff --git a/src/luaengineos/luaengine/LuaEngineOS.cpp b/src/luaengineos/luaengine/LuaEngineOS.cpp
index 7dd64d9..3515000 100644
--- a/src/luaengineos/luaengine/LuaEngineOS.cpp
+++ b/src/luaengineos/luaengine/LuaEngineOS.cpp
@@ -21,7 +21,6 @@
 #include <QProcess>
 #include <QObject>
 #include <QString>
-#include <QDebug>
 #include <QFile>
 #ifdef Q_OS_WIN
 #include "windows.h"
@@ -38,14 +37,6 @@ LuaEngineOS::LuaEngineOS(QObject *parent, bool loadBaseLibraries) : LuaEngine(pa
 
 void LuaEngineOS::pushClass(lua_State *L_p)
 {
-    // Directory
-    pushFunction(L_p, "directoryListFiles", directoryListFiles);
-
-    // File
-    pushFunction(L_p, "linkFile", linkFile);
-    pushVariant(L_p, "Symlink", (int)0);
-    pushVariant(L_p, "Hardlink", (int)1);
-
     // Process
     pushFunction(L_p, "executeProcess", executeProcess);
 }
@@ -55,58 +46,6 @@ void LuaEngineOS::pushClass(LuaEngine *luaEngine)
     pushClass(luaEngine->luaState());
 }
 
-int LuaEngineOS::directoryListFiles(lua_State *L_p)
-{
-    if (getArgumentCount(L_p) >= 1) {
-        QStringList directories;
-        QStringList nameFilters;
-        QString directory = getVariant(L_p, 1).toString();
-        if (getArgumentCount(L_p) >= 2) {
-            nameFilters << getVariant(L_p, 2).toString();
-        }
-        QDirIterator dirIterator(directory, nameFilters, QDir::Files | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
-        while (dirIterator.hasNext()) {
-            directories << dirIterator.next();
-        }
-        pushVariant(L_p, directories);
-        return 1;
-    }
-    return 0;
-}
-
-int LuaEngineOS::linkFile(lua_State *L_p)
-{
-    if (getArgumentCount(L_p) >= 2) {
-        bool symlinkMode = true;
-        if (getArgumentCount(L_p) >= 3 && getVariant(L_p, 3).toInt() == 1) {
-            symlinkMode = false;
-        }
-        bool linkSucceeded = false;
-        if (symlinkMode) {
-#ifdef Q_OS_WIN
-            QString targetFile = getVariant(L_p, 2).toString();
-            if (targetFile.right(4) != ".lnk") {
-                targetFile += ".lnk";
-            }
-            linkSucceeded = QFile::link(getVariant(L_p, 1).toString(), targetFile);
-#else
-            linkSucceeded = QFile::link(getVariant(L_p, 1).toString(), getVariant(L_p, 2).toString());
-#endif
-        }
-        else {
-#ifdef Q_OS_WIN
-            linkSucceeded = CreateHardLinkW(getVariant(L_p, 2).toString().toStdWString().c_str(), getVariant(L_p, 1).toString().toStdWString().c_str(), NULL);
-#else
-            linkSucceeded = link(getVariant(L_p, 1).toString().toUtf8().data(), getVariant(L_p, 2).toString().toUtf8().data());
-#endif
-        }
-        pushVariant(L_p, linkSucceeded);
-        return 1;
-    }
-    getVariant(L_p, false);
-    return 1;
-}
-
 int LuaEngineOS::executeProcess(lua_State *L_p)
 {
     if (getArgumentCount(L_p) >= 1) {
diff --git a/src/luaengineos/luaengine/LuaEngineOS.h b/src/luaengineos/luaengine/LuaEngineOS.h
index a67d4de..8d2f2ad 100644
--- a/src/luaengineos/luaengine/LuaEngineOS.h
+++ b/src/luaengineos/luaengine/LuaEngineOS.h
@@ -30,8 +30,6 @@ public:
     LuaEngineOS(QObject *parent = nullptr, bool loadBaseLibraries = true);
     static void pushClass(lua_State *L_p);
     static void pushClass(LuaEngine *luaEngine);
-    static int directoryListFiles(lua_State *L_p);
-    static int linkFile(lua_State *L_p);
     static int executeProcess(lua_State *L_p);
 
 private:
diff --git a/src/luaengineos/luaengine/LuaEngineOS_global.h b/src/luaengineos/luaengine/LuaEngineOS_global.h
index d80fdb8..e4a7fce 100644
--- a/src/luaengineos/luaengine/LuaEngineOS_global.h
+++ b/src/luaengineos/luaengine/LuaEngineOS_global.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 * luaEngine Lua Engine for Qt
-* Copyright (C) 2018-2019 Syping
+* Copyright (C) 2019 Syping
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/src/luaenginerun/luaenginerun.pro b/src/luaenginerun/luaenginerun.pro
index 34467c8..25e77e5 100644
--- a/src/luaenginerun/luaenginerun.pro
+++ b/src/luaenginerun/luaenginerun.pro
@@ -21,15 +21,15 @@ CONFIG += c++11
 
 static: DEFINES += LUAENGINE_STATIC
 
-CONFIG(debug, debug|release): win32: LIBS += -L$$OUT_PWD/../luaengineos/debug -lluaengineos -L$$OUT_PWD/../luaenginegui/debug -lluaenginegui -L$$OUT_PWD/../luaengine/debug -lluaengine
-CONFIG(release, debug|release): win32: LIBS += -L$$OUT_PWD/../luaengineos/release -lluaengineos -L$$OUT_PWD/../luaenginegui/release -lluaenginegui -L$$OUT_PWD/../luaengine/release -lluaengine
-unix: LIBS += -L$$OUT_PWD/../luaengineos -lluaengineos -L$$OUT_PWD/../luaenginegui -lluaenginegui -L$$OUT_PWD/../luaengine -lluaengine
-win32: LIBS += -luser32
+CONFIG(debug, debug|release): win32: LIBS += -L$$OUT_PWD/../luaengineos/debug -lluaengineos -L$$OUT_PWD/../luaengineio/debug -lluaengineio -L$$OUT_PWD/../luaenginegui/debug -lluaenginegui -L$$OUT_PWD/../luaengine/debug -lluaengine
+CONFIG(release, debug|release): win32: LIBS += -L$$OUT_PWD/../luaengineos/release -lluaengineos -L$$OUT_PWD/../luaengineio/release -lluaengineio -L$$OUT_PWD/../luaenginegui/release -lluaenginegui -L$$OUT_PWD/../luaengine/release -lluaengine
+unix: LIBS += -L$$OUT_PWD/../luaengineos -lluaengineos -L$$OUT_PWD/../luaengineio -lluaengineio -L$$OUT_PWD/../luaenginegui -lluaenginegui -L$$OUT_PWD/../luaengine -lluaengine
 
 INCLUDEPATH += \
     ../luaengine/lua \
     ../luaengine/luaengine \
     ../luaenginegui/luaengine \
+    ../luaengineio/luaengine \
     ../luaengineos/luaengine
 
 SOURCES += \
diff --git a/src/luaenginerun/main.cpp b/src/luaenginerun/main.cpp
index 550df50..56745b3 100644
--- a/src/luaenginerun/main.cpp
+++ b/src/luaenginerun/main.cpp
@@ -16,6 +16,7 @@
 *****************************************************************************/
 
 #include "LuaEngineGui.h"
+#include "LuaEngineIO.h"
 #include "LuaEngineOS.h"
 #include <QApplication>
 #include <QFont>
@@ -46,6 +47,7 @@ int main(int argc, char *argv[])
         QFile luaScript(arguments.first().toString());
 
         LuaEngineGui luaEngineGui;
+        LuaEngineIO::pushClass(&luaEngineGui);
         LuaEngineOS::pushClass(&luaEngineGui);
         luaEngineGui.executeLuaScript(&luaScript);
 
diff --git a/src/src.pro b/src/src.pro
index 6a55f5b..26101ef 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -20,6 +20,7 @@ CONFIG += ordered
 
 SUBDIRS += luaengine \
     luaenginegui \
+    luaengineio \
     luaengineos
 
 CONFIG(WITH_LUAENGINEAPP): SUBDIRS += luaengineapp