diff --git a/Sources/appl/Buffer/BufferText.cpp b/Sources/appl/Buffer/BufferText.cpp
index 19240eb..ede9c03 100644
--- a/Sources/appl/Buffer/BufferText.cpp
+++ b/Sources/appl/Buffer/BufferText.cpp
@@ -128,8 +128,7 @@ BufferText::BufferText(etk::FSNode &fileName) : Buffer(fileName)
 			APPL_WARNING("File can not be open in read mode : " << myFile);
 			SetModify(true);
 		} else {
-			// TODO : Old methode to file access :
-			//m_EdnBuf.DumpFrom(myFile);
+			m_EdnBuf.DumpFrom(myFile);
 			myFile.FileClose();
 			SetModify(false);
 		}
@@ -157,8 +156,7 @@ void BufferText::Save(void)
 	if (false == myFile.FileOpenWrite()) {
 		APPL_ERROR("Can not open in writing the specify file");
 	} else {
-		// TODO : Old methode to file access :
-		//m_EdnBuf.DumpIn(myFile);
+		m_EdnBuf.DumpIn(myFile);
 		myFile.FileClose();
 		SetModify(false);
 	}
diff --git a/Sources/appl/Buffer/EdnBuf/EdnBuf.cpp b/Sources/appl/Buffer/EdnBuf/EdnBuf.cpp
index c1efad6..2c4eb30 100644
--- a/Sources/appl/Buffer/EdnBuf/EdnBuf.cpp
+++ b/Sources/appl/Buffer/EdnBuf/EdnBuf.cpp
@@ -89,10 +89,10 @@ EdnBuf::~EdnBuf(void)
  * @return true if OK / false if an error occured
  *
  */
-bool EdnBuf::DumpIn(FILE *myFile)
+bool EdnBuf::DumpIn(etk::FSNode &file)
 {
 	// write Data
-	return m_data.DumpIn(myFile);
+	return m_data.DumpIn(file);
 }
 
 
@@ -104,9 +104,9 @@ bool EdnBuf::DumpIn(FILE *myFile)
  * @return true if OK / false if an error occured
  *
  */
-bool EdnBuf::DumpFrom(FILE *myFile)
+bool EdnBuf::DumpFrom(etk::FSNode &file)
 {
-	if (true == m_data.DumpFrom(myFile) ) {
+	if (true == m_data.DumpFrom(file) ) {
 		// set no selection
 		UpdateSelection(0, 0, m_data.Size() );
 		// generate HighLight
diff --git a/Sources/appl/Buffer/EdnBuf/EdnBuf.h b/Sources/appl/Buffer/EdnBuf/EdnBuf.h
index 5c28ba0..be2dd2d 100644
--- a/Sources/appl/Buffer/EdnBuf/EdnBuf.h
+++ b/Sources/appl/Buffer/EdnBuf/EdnBuf.h
@@ -78,8 +78,8 @@ class EdnBuf {
 		void    SetAll(                 etk::Vector<int8_t> &text);
 		void    GetRange(               int32_t start, int32_t end, etk::Vector<int8_t> &output);
 		void    GetRange(               int32_t start, int32_t end, etk::UString &output);
-		bool    DumpIn(                 FILE *myFile);
-		bool    DumpFrom(               FILE *myFile);
+		bool    DumpIn(                 etk::FSNode &file);
+		bool    DumpFrom(               etk::FSNode &file);
 		// replace with operator [] ...
 		int8_t  operator[] (int32_t);
 		int32_t Insert(                 int32_t pos, etk::Vector<int8_t> &insertText);
diff --git a/Sources/appl/Buffer/EdnVectorBuf.cpp b/Sources/appl/Buffer/EdnVectorBuf.cpp
index 4e55425..0eff815 100644
--- a/Sources/appl/Buffer/EdnVectorBuf.cpp
+++ b/Sources/appl/Buffer/EdnVectorBuf.cpp
@@ -114,12 +114,12 @@ static int32_t getFileSize(FILE *myFile)
  * @return true if OK / false if an error occured
  *
  */
-bool EdnVectorBuf::DumpIn(FILE *myFile)
+bool EdnVectorBuf::DumpIn(etk::FSNode &file)
 {
 	bool ret = true;
 	// write Data
-	(void)fwrite(m_data,            sizeof(int8_t), m_gapStart, myFile);
-	(void)fwrite(&m_data[m_gapEnd], sizeof(int8_t), m_allocated - m_gapEnd, myFile);
+	(void)file.FileWrite(m_data,            sizeof(int8_t), m_gapStart);
+	(void)file.FileWrite(&m_data[m_gapEnd], sizeof(int8_t), m_allocated - m_gapEnd);
 	return ret;
 }
 
@@ -132,19 +132,19 @@ bool EdnVectorBuf::DumpIn(FILE *myFile)
  * @return true if OK / false if an error occured
  *
  */
-bool EdnVectorBuf::DumpFrom(FILE *myFile)
+bool EdnVectorBuf::DumpFrom(etk::FSNode &file)
 {
 	bool ret = true;
-	int32_t length = getFileSize(myFile);
+	uint32_t length = file.FileSize();
 	// error case ...
-	if (length < 0) {
-		length = 0;
+	if (length > 2000000000) {
+		return false;
 	}
 	// allocate the current buffer : 
 	ChangeAllocation(length + GAP_SIZE_MIN);
 	
 	// insert Data
-	int32_t nbReadData = fread(&m_data[GAP_SIZE_MIN], sizeof(int8_t), length, myFile);
+	int32_t nbReadData = file.FileRead(&m_data[GAP_SIZE_MIN], sizeof(int8_t), length);
 	APPL_INFO("load data : filesize=" << length << ", readData=" << nbReadData);
 	// check ERROR
 	if (nbReadData != length) {
diff --git a/Sources/appl/Buffer/EdnVectorBuf.h b/Sources/appl/Buffer/EdnVectorBuf.h
index 52afcdd..abea599 100644
--- a/Sources/appl/Buffer/EdnVectorBuf.h
+++ b/Sources/appl/Buffer/EdnVectorBuf.h
@@ -27,6 +27,7 @@
 #define __EDN_VECTOR_BUF_H__
 
 #include <etk/Vector.h>
+#include <etk/os/FSNode.h>
 
 #undef __class__
 #define __class__	"EdnVectorBuf"
@@ -265,8 +266,8 @@ class EdnVectorBuf
 										EdnVectorBuf(const EdnVectorBuf & Evb);
 										~EdnVectorBuf();
 		
-		bool	 DumpIn(				FILE *myFile);
-		bool	 DumpFrom(				FILE *myFile);
+		bool	 DumpIn(				etk::FSNode &file);
+		bool	 DumpFrom(				etk::FSNode &file);
 		
 		EdnVectorBuf &					operator=(	const EdnVectorBuf & Evb);
 		int8_t							operator[] (int32_t pos);