diff --git a/etk/fileSystem/Path.cpp b/etk/fileSystem/Path.cpp
index ff3b24b..7723e26 100644
--- a/etk/fileSystem/Path.cpp
+++ b/etk/fileSystem/Path.cpp
@@ -112,26 +112,40 @@ static etk::String simplifyPath(etk::String _input) {
 	return _input;
 }
 
+static etk::String convertToWindows(etk::String _path) {
+	_path.replace("/", "\\");
+	if (    _path.size() > 3
+	     && _path[0] == '/'
+	     && _path[2] == '/') {
+		_path[0] = _path[1];
+		_path[0] = ':';
+	}
+	return _path;
+}
 
+static etk::String convertToUnix(etk::String _path) {
+	_path.replace("\\", "/");
+	if (    _path.size() > 3
+	     && _path[1] == ':'
+	     && _path[2] == '/') {
+		#ifndef __TARGET_OS__Windows
+			TK_WARNING("Path name have a windows form: '" << _path << "' c:/ but not a windwos platform");
+		#endif
+		if (    _path[0] >= 'A'
+		     && _path[0] <= 'Z') {
+			_path[1] = _path[0] + 'a' - 'A';
+		} else {
+			_path[1] = _path[0];
+		}
+		_path[0] = '/';
+	}
+	return _path;
+}
 static etk::String parsePath(etk::String _path) {
 	etk::String out = _path;
 	TK_DBG_MODE("1 : Set Name :              '" << out << "'");
 	// Replace all time to prevent Windows user error when port on Unix
-	out.replace("\\", "/");
-	if (    out.size() > 3
-	     && out[1] == ':'
-	     && out[2] == '/') {
-		#ifndef __TARGET_OS__Windows
-			TK_WARNING("Path name have a windows form: '" << _path << "' c:/ but not a windwos platform");
-		#endif
-		if (    out[0] >= 'A'
-		     && out[0] <= 'Z') {
-			out[1] = out[0] + 'a' - 'A';
-		} else {
-			out[1] = out[0];
-		}
-		out[0] = '/';
-	}
+	out = convertToUnix(out);
 	out = simplifyPath(out);
 	TK_DBG_MODE("3 : parse done :            '" << _path << "' ==>\"" << out << "\"");
 	return out;
@@ -147,22 +161,11 @@ etk::String etk::Path::getString() const {
 }
 
 etk::String etk::Path::getStringWindows() const {
-	etk::String out = m_data;
-	out.replace("/", "\\");
-	if (    out.size() > 3
-	     && out[0] == '/'
-	     && out[2] == '/') {
-		out[0] = out[1];
-		out[0] = ':';
-	}
+	etk::String out = getString();
+	out = convertToWindows(out);
 	return out;
 }
 
-etk::String etk::Path::getRelative() const {
-	// TODO : plouf ...
-	return "todo";
-}
-
 etk::String etk::Path::getNative() const {
 	#ifdef __TARGET_OS__Windows
 		return getStringWindows();
@@ -171,6 +174,50 @@ etk::String etk::Path::getNative() const {
 	#endif
 }
 
+etk::String etk::Path::getRelative() const {
+	if (isRelative() == true) {
+		return m_data;
+	}
+	// TODO : plouf ...
+	return "todo";
+}
+
+etk::String etk::Path::getRelativeWindows() const {
+	etk::String out = getRelative();
+	out = convertToWindows(out);
+	return out;
+}
+
+etk::String etk::Path::getRelativeNative() const {
+	#ifdef __TARGET_OS__Windows
+		return getRelativeWindows();
+	#else
+		return getRelative();
+	#endif
+}
+
+etk::String etk::Path::getAbsolute() const {
+	if (isAbsolute() == true) {
+		return m_data;
+	}
+	// TODO : plouf ...
+	return "todo";
+}
+
+etk::String etk::Path::getAbsoluteWindows() const {
+	etk::String out = getAbsolute();
+	out = convertToWindows(out);
+	return out;
+}
+
+etk::String etk::Path::getAbsoluteNative() const {
+	#ifdef __TARGET_OS__Windows
+		return getAbsoluteWindows();
+	#else
+		return getAbsolute();
+	#endif
+}
+
 bool etk::Path::isRelative() const {
 	if (    m_data.size() >= 1
 	     && m_data[0] != '/') {
@@ -215,7 +262,7 @@ bool etk::Path::operator!= (const etk::Path &_obj) const {
 
 etk::Path etk::Path::operator/ (const etk::String & _element) const {
 	etk::Path tmp = *this;
-	tmp /= _element;
+	tmp /= etk::Path(_element);
 	return tmp;
 }
 
@@ -226,14 +273,7 @@ etk::Path etk::Path::operator/ (const etk::Path & _path) const {
 }
 
 etk::Path& etk::Path::operator/= (const etk::String & _element) {
-	if (_element.size() == 0) {
-		return *this;
-	}
-	if (_element[0] == '/') {
-		ETK_THROW_EXCEPTION(etk::exception::InvalidArgument("add path that is absolute"));
-	}
-	m_data += '/' + _element;
-	m_data = simplifyPath(m_data);
+	*this /= etk::Path(_element);
 	return *this;
 }
 
@@ -250,16 +290,27 @@ etk::Path& etk::Path::operator/= (const etk::Path & _path) {
 }
 
 etk::Path etk::Path::operator+ (const etk::String & _element) const {
+	etk::Path tmp = *this;
+	tmp += etk::Path(_element);
+	return tmp;
+}
+
+etk::Path etk::Path::operator+ (const etk::Path & _element) const {
 	etk::Path tmp = *this;
 	tmp += _element;
 	return tmp;
 }
 
 etk::Path& etk::Path::operator+= (const etk::String & _element) {
-	if (_element.size() == 0) {
+	*this += etk::Path(_element);
+	return *this;
+}
+
+etk::Path& etk::Path::operator+= (const etk::Path & _element) {
+	if (_element.m_data.size() == 0) {
 		return *this;
 	}
-	m_data += _element;
+	m_data += _element.m_data;
 	m_data = simplifyPath(m_data);
 	return *this;
 }
diff --git a/etk/fileSystem/Path.hpp b/etk/fileSystem/Path.hpp
index bc904e5..41a5b30 100644
--- a/etk/fileSystem/Path.hpp
+++ b/etk/fileSystem/Path.hpp
@@ -30,25 +30,59 @@ namespace etk {
 			 */
 			Path(const etk::String& _value);
 			/**
-			 * @brief Get the absolute path
-			 * @return string like /home/userXXX/aaa/bbb/### or /c/userXXX/aaa/bbb/###
+			 * @brief Get the set path (by the user)
+			 *     - /home/userXXX/aaa/bbb/###
+			 *     - /c/userXXX/aaa/bbb/###
+			 *     - aaa/bbb/###
 			 */
 			etk::String getString() const;
 			/**
-			 * @brief Get the absolute path
-			 * @return string like /home/userXXX/aaa/bbb/### or /c/userXXX/aaa/bbb/###
+			 * @brief Get the set path (by the user) with a windows view
+			 * @return string like:
+			 *     - \home\userXXX\aaa\bbb\###
+			 *     - c:\userXXX\aaa\bbb\###
+			 *     - aaa\bbb\###
 			 */
 			etk::String getStringWindows() const;
+			/**
+			 * @brief Get the set path (by the user) with the local machine preference view
+			 * @return string like:
+			 *     - /home/userXXX/aaa/bbb/###
+			 *     - c:\userXXX\aaa\bbb\###
+			 *     - aaa/bbb/###
+			 *     - aaa\bbb\###
+			 */
+			etk::String getNative() const;
 			/**
 			 * @brief Get the relative path.
 			 * @return string like ../../aaa/bbb/###
 			 */
 			etk::String getRelative() const;
 			/**
-			 * @brief Get the absolute path
+			 * @brief Get the relative path.
+			 * @return string like ..\..\aaa\bbb\###
+			 */
+			etk::String getRelativeWindows() const;
+			/**
+			 * @brief Get the absolute path (depend on the system)
+			 * @return string like ../../aaa/bbb/### or ..\..\aaa\bbb\###
+			 */
+			etk::String getRelativeNative() const;
+			/**
+			 * @brief Get the Absolute path.
+			 * @return string like /home/userXXX/aaa/bbb/### or /c/userXXX/aaa/bbb/###
+			 */
+			etk::String getAbsolute() const;
+			/**
+			 * @brief Get the Absolute path.
+			 * @return string like \home\userXXX\aaa\bbb\### or c:\userXXX\aaa\bbb\###
+			 */
+			etk::String getAbsoluteWindows() const;
+			/**
+			 * @brief Get the absolute path (depend on the system)
 			 * @return string like /home/userXXX/aaa/bbb/### or c:\userXXX\aaa\bbb\###
 			 */
-			etk::String getNative() const;
+			etk::String getAbsoluteNative() const;
 			/**
 			 * @brief Check if the path is relative or not.
 			 * @return true The path is relative.
diff --git a/etk/fileSystem/fileSystem.cpp b/etk/fileSystem/fileSystem.cpp
index 3efe35b..fa7b671 100644
--- a/etk/fileSystem/fileSystem.cpp
+++ b/etk/fileSystem/fileSystem.cpp
@@ -17,6 +17,12 @@ extern "C" {
 	#include <sys/stat.h>
 	#include <errno.h>
 }
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <etk/io/File.hpp>
+#include <etk/io/SeekMode.hpp>
+
 namespace etk {
 	static int32_t mkdir(const char* _path, mode_t _mode) {
 		struct stat st;
@@ -111,7 +117,7 @@ bool etk::fileSystem::remove(const etk::Path& _path) {
 }
 
 bool etk::fileSystem::removeDirectory(const etk::Path& _path) {
-	if( 0 != ::rmdir(_path1.getString().c_str()) ) {
+	if( 0 != ::rmdir(_path.getString().c_str()) ) {
 		if (ENOTEMPTY == errno) {
 			TK_ERROR("The Directory is not empty...");
 		}
@@ -121,7 +127,7 @@ bool etk::fileSystem::removeDirectory(const etk::Path& _path) {
 }
 
 bool etk::fileSystem::removeFile(const etk::Path& _path) {
-	if (0 != unlink(_path1.getString().c_str()) ) {
+	if (0 != unlink(_path.getString().c_str()) ) {
 		return false;
 	}
 	return true;
@@ -140,7 +146,7 @@ bool etk::fileSystem::touch(const etk::Path& _path) {
 bool etk::fileSystem::exist(const etk::Path& _path) {
 	struct stat st;
 	int32_t status = 0;
-	if (stat(_path.get().c_str(), &st) != 0) {
+	if (stat(_path.getString().c_str(), &st) != 0) {
 		return false;
 	}
 	return true;
@@ -150,7 +156,7 @@ uint64_t etk::fileSystem::fileSize(const etk::Path& _path) {
 	// Note : this is a proper methode to get the file size for Big files ... otherwithe the size is limited at 2^31 bytes
 	// tmpStat Buffer :
 	struct stat statProperty;
-	if (stat(_path.get().c_str(), &statProperty) == -1) {
+	if (stat(_path.getString().c_str(), &statProperty) == -1) {
 		//Normal case when the file does not exist ... ==> the it was in unknow mode ...
 		return 0;
 	}
@@ -165,7 +171,7 @@ uint64_t etk::fileSystem::fileSize(const etk::Path& _path) {
 bool etk::fileSystem::isDirectory(const etk::Path& _path) {
 	struct stat st;
 	int32_t status = 0;
-	if (stat(_path.get().c_str(), &st) != 0) {
+	if (stat(_path.getString().c_str(), &st) != 0) {
 		return false;
 	} else if (!S_ISDIR(st.st_mode)) {
 		return false;
@@ -176,7 +182,7 @@ bool etk::fileSystem::isDirectory(const etk::Path& _path) {
 bool etk::fileSystem::isFile(const etk::Path& _path) {
 	struct stat st;
 	int32_t status = 0;
-	if (stat(_path.get().c_str(), &st) != 0) {
+	if (stat(_path.getString().c_str(), &st) != 0) {
 		return false;
 	} else if (!S_ISREG(st.st_mode)) {
 		return false;
@@ -187,7 +193,7 @@ bool etk::fileSystem::isFile(const etk::Path& _path) {
 bool etk::fileSystem::isSymLink(const etk::Path& _path) {
 	struct stat st;
 	int32_t status = 0;
-	if (stat(_path.get().c_str(), &st) != 0) {
+	if (stat(_path.getString().c_str(), &st) != 0) {
 		return false;
 	} else if (!S_ISLNK(st.st_mode)) {
 		return false;
@@ -200,7 +206,7 @@ etk::fileSystem::Permissions etk::fileSystem::getPermission(const etk::Path& _pa
 	etk::fileSystem::Permissions permissions;
 	// tmpStat Buffer :
 	struct stat statProperty;
-	if (-1 == stat(m_systemFileName.c_str(), &statProperty)) {
+	if (-1 == stat(_path.getString().c_str(), &statProperty)) {
 		//Normal case when the file does not exist ... ==> the it was in unknow mode ...
 		return permissions;
 	}
@@ -213,12 +219,8 @@ etk::String etk::fileSystem::getRelativeString(const etk::Path& _path) {
 	return _path.getRelative();
 }
 
-etk::String etk::fileSystem::getDecoratedString(const etk::Path& _path) {
-	return _path.getDecorated();
-}
-
 etk::String etk::fileSystem::getAbsoluteString(const etk::Path& _path) {
-	return _path.get();
+	return _path.getAbsolute();
 }
 
 etk::String etk::fileSystem::getSystemString(const etk::Path& _path) {
@@ -226,11 +228,11 @@ etk::String etk::fileSystem::getSystemString(const etk::Path& _path) {
 }
 
 etk::String etk::fileSystem::getMimeType(const etk::Path& _path) {
-	
+	return "*";
 }
 
 etk::Path etk::fileSystem::getTemporaryPath() {
-	
+	return etk::Path{};
 }
 
 etk::String etk::fileSystem::getHomePathString() {
diff --git a/etk/io/File.cpp b/etk/io/File.cpp
index eaaff7b..3e307e9 100644
--- a/etk/io/File.cpp
+++ b/etk/io/File.cpp
@@ -3,10 +3,9 @@
  * @copyright 2011, Edouard DUPIN, all right reserved
  * @license MPL-2 (see license file)
  */
-#pragma once
-
 #include <etk/types.hpp>
-#include <etk/io/Interface.hpp>
+#include <etk/io/File.hpp>
+#include <etk/debug.hpp>
 
 etk::io::File::File() {
 	// nothing to do.
diff --git a/etk/io/OpenMode.hpp b/etk/io/OpenMode.hpp
index d36db3c..d8b1216 100644
--- a/etk/io/OpenMode.hpp
+++ b/etk/io/OpenMode.hpp
@@ -18,6 +18,6 @@ namespace etk {
 			Append, //!< request File open in append
 		};
 		//! @not_in_doc
-		etk::Stream& operator <<(etk::Stream &_os, const enum etk::OpenMode &_obj);
+		etk::Stream& operator <<(etk::Stream &_os, const enum etk::io::OpenMode &_obj);
 	}
 }
diff --git a/etk/io/SeekMode.hpp b/etk/io/SeekMode.hpp
index a8f7f5b..0f61e40 100644
--- a/etk/io/SeekMode.hpp
+++ b/etk/io/SeekMode.hpp
@@ -12,7 +12,7 @@ namespace etk {
 		/**
 		 * @brief Seek mode availlable (just to wrap it ...)
 		 */
-		enum class SeekNode {
+		enum class SeekMode {
 			Start, //!< request seek position start at the START of the file
 			End, //!< request seek position start at the END of the file
 			Current, //!< request seek position start at the CURRENT position in the file
diff --git a/etk/io/ZipFile.cpp b/etk/io/ZipFile.cpp
index a4a567d..fb2a0d7 100644
--- a/etk/io/ZipFile.cpp
+++ b/etk/io/ZipFile.cpp
@@ -3,11 +3,9 @@
  * @copyright 2011, Edouard DUPIN, all right reserved
  * @license MPL-2 (see license file)
  */
-#pragma once
-
 #include <etk/types.hpp>
-#include <etk/io/Interface.hpp>
 #include <etk/io/ZipFile.hpp>
+#include <etk/debug.hpp>
 
 etk::io::ZipFile::ZipFile(ememory::SharedPtr<etk::Archive> _archive):
   m_archive(_archive) {