diff --git a/etk/etk.cpp b/etk/etk.cpp
index 1e10f77..520d12a 100644
--- a/etk/etk.cpp
+++ b/etk/etk.cpp
@@ -12,39 +12,103 @@
 #include <etk/debug.h>
 #include <etk/os/FSNode.h>
 
+static etk::log::level getLogLevel(const std::string& _value) {
+	if (_value == "0") {
+		return etk::log::logLevelNone;
+	} else if (_value == "1") {
+		return etk::log::logLevelCritical;
+	} else if (_value == "2") {
+		return etk::log::logLevelError;
+	} else if (_value == "3") {
+		return etk::log::logLevelWarning;
+	} else if (_value == "4") {
+		return etk::log::logLevelInfo;
+	} else if (_value == "5") {
+		return etk::log::logLevelDebug;
+	} else if (_value == "6") {
+		return etk::log::logLevelVerbose;
+	}
+	TK_ERROR("Unknow log level : " << _value);
+	return etk::log::logLevelVerbose;
+}
 
 void etk::init(int _argc, char** _argv) {
+	TK_INFO("E-TK system init (BEGIN)");
 	etk::setArgZero(_argv[0]);
-	//etk::initDefaultFolder("river_sample_read");
 	for (int32_t iii=0; iii<_argc ; ++iii) {
 		std::string data = _argv[iii];
-		if (data == "-l0") {
-			etk::log::setLevel(etk::log::logLevelNone);
-		} else if (data == "-l1") {
-			etk::log::setLevel(etk::log::logLevelCritical);
-		} else if (data == "-l2") {
-			etk::log::setLevel(etk::log::logLevelError);
-		} else if (data == "-l3") {
-			etk::log::setLevel(etk::log::logLevelWarning);
-		} else if (data == "-l4") {
-			etk::log::setLevel(etk::log::logLevelInfo);
-		} else if (data == "-l5") {
-			etk::log::setLevel(etk::log::logLevelDebug);
-		} else if (data == "-l6") {
-			etk::log::setLevel(etk::log::logLevelVerbose);
+		if (etk::start_with(data, "--etk-log-level=")) {
+			etk::log::setLevel(getLogLevel(std::string(data.begin()+16, data.end())));
+		} else if (etk::start_with(data, "-l=")) {
+			etk::log::setLevel(getLogLevel(std::string(data.begin()+2, data.end())));
+		} else if (etk::start_with(data, "--etk-log-color")) {
+			etk::log::setColor(true);
+		} else if (etk::start_with(data, "--etk-log-no-color")) {
+			etk::log::setColor(false);
+		} else if (etk::start_with(data, "--etk-log-config=")) {
+			std::string value(data.begin()+17, data.end());
+			etk::log::setTime(false);
+			etk::log::setLine(false);
+			etk::log::setFunction(false);
+			etk::log::setLibName(false);
+			etk::log::setThreadId(false);
+			etk::log::setThreadNameEnable(false);
+			for (size_t iii=0; iii<value.size(); ++iii) {
+				if (value[iii] == 't') {
+					etk::log::setTime(true);
+				} else if (value[iii] == 'T') {
+					etk::log::setThreadId(true);
+				} else if (value[iii] == 'N') {
+					etk::log::setThreadNameEnable(true);
+				} else if (value[iii] == 'L') {
+					etk::log::setLine(true);
+				} else if (value[iii] == 'l') {
+					etk::log::setLibName(true);
+				} else if (value[iii] == 'f') {
+					etk::log::setFunction(true);
+				} else {
+					TK_ERROR("In program argument: --etk-log-config= , the value '" << value[iii] << "' is not supported");
+				}
+			}
+		} else if (etk::start_with(data, "--etk-log-lib=")) {
+			std::string value(data.begin()+14, data.end());
+			std::vector<std::string> list = etk::split(value, ':');
+			if (list.size() != 2) {
+				TK_ERROR("Can not set the --etk-log-lib= with value='" << value << "' not formated name:X");
+				continue;
+			}
+			etk::log::setLevel(list[0], getLogLevel(list[1]));
 		} else if (    data == "-h"
 		            || data == "--help") {
 			etk::log::setLevel(etk::log::logLevelInfo);
 			TK_INFO("etk - help : ");
-			TK_INFO("    ./" << _argv[0] << " [options]");
-			TK_INFO("        -l0: debug None");
-			TK_INFO("        -l1: debug Critical");
-			TK_INFO("        -l2: debug Error");
-			TK_INFO("        -l3: debug Warning");
-			TK_INFO("        -l4: debug Info");
-			TK_INFO("        -l5: debug Debug");
-			TK_INFO("        -l6: debug Verbose");
+			TK_INFO("    " << _argv[0] << " [options]");
+			TK_INFO("        -l/--etk-log-level=   Change the default log level (set all Log lovel):");
+			TK_INFO("            0: debug None (default in release)");
+			TK_INFO("            1: debug Critical");
+			TK_INFO("            2: debug Error");
+			TK_INFO("            3: debug Warning");
+			TK_INFO("            4: debug Info (default in debug)");
+			TK_INFO("            5: debug Debug");
+			TK_INFO("            6: debug Verbose");
+			TK_INFO("        --etk-log-lib=name:X  Set a library specific level:");
+			TK_INFO("            name  Name of the library");
+			TK_INFO("            X     Log level to set [0..6]");
+			TK_INFO("        --etk-log-color       Enable color in log (default in Linux/debug)");
+			TK_INFO("        --etk-log-no-color    Disable color in log (default in Linux/release and Other)");
+			TK_INFO("        --etk-log-config=     Configure the Log interface");
+			TK_INFO("            t: diplay time");
+			TK_INFO("            T: diplay thread id");
+			TK_INFO("            N: diplay thread name");
+			TK_INFO("            L: diplay line number");
+			TK_INFO("            l: diplay lib name");
+			TK_INFO("            f: diplay fundtion name");
 			TK_INFO("        -h/--help: this help");
+			TK_INFO("    example:");
+			TK_INFO("        " << _argv[0] << " --etk-log-color --etk-log-level=2 --etk-log-lib=etk:5 --etk-log-lib=appl:6 --etk-log-config=NLlf");
+		} else if (etk::start_with(data, "--etk")) {
+			TK_ERROR("Can not parse the argument : '" << data << "'");
 		}
 	}
+	TK_INFO("E-TK system init (END)");
 }
\ No newline at end of file
diff --git a/etk/log.cpp b/etk/log.cpp
index ea992b3..4db23d5 100644
--- a/etk/log.cpp
+++ b/etk/log.cpp
@@ -74,6 +74,7 @@
 	#define DEFAULT_LOG_THREAD_NAME true
 	#define DEFAULT_LOG_CLASS true
 	#define DEFAULT_LOG_TIME true
+	#define DEFAULT_LOG_LIB_NAME true
 #else
 	#define DEFAULT_LOG_LEVEL etk::log::logLevelNone
 	#define DEFAULT_LOG_COLOR false
@@ -82,6 +83,7 @@
 	#define DEFAULT_LOG_THREAD_NAME false
 	#define DEFAULT_LOG_CLASS false
 	#define DEFAULT_LOG_TIME true
+	#define DEFAULT_LOG_LIB_NAME true
 #endif
 
 enum etk::log::level& getDefaultLevel() {
@@ -89,8 +91,18 @@ enum etk::log::level& getDefaultLevel() {
 	return g_val;
 }
 
-int32_t& getsizeLog() {
-	static int32_t g_val = 5;
+size_t& getFunctionSizeLog() {
+	static size_t g_val = 5;
+	return g_val;
+}
+
+size_t& getThreadSizeLog() {
+	static size_t g_val = 5;
+	return g_val;
+}
+
+size_t& getNameSizeLog() {
+	static size_t g_val = 5;
 	return g_val;
 }
 static std::vector<std::pair<std::string, enum etk::log::level> >& getList() {
@@ -105,8 +117,8 @@ int32_t etk::log::registerInstance(const std::string& _name) {
 		}
 	}
 	getList().push_back(std::make_pair(_name, getDefaultLevel()));
-	if (_name.size() >= getsizeLog()) {
-		getsizeLog() = _name.size()+1;
+	if (_name.size() >= getNameSizeLog()) {
+		getNameSizeLog() = _name.size()+1;
 	}
 	//std::cout << "register log : '" << _name << "'=" << getList().size()-1 << std::endl;
 	return getList().size()-1;
@@ -222,18 +234,25 @@ void etk::log::setFunction(bool _status) {
 	getFunction() = _status;
 }
 
+static bool& getLibName() {
+	static bool g_val = DEFAULT_LOG_LIB_NAME;
+	return g_val;
+}
+void etk::log::setLibName(bool _status) {
+	getLibName() = _status;
+}
 
 static void getDisplayTime(char* data) {
 #ifdef __TARGET_OS__Android
 	struct timeval  now;
 	gettimeofday(&now, nullptr);
-	sprintf(data, " %2dh%2d'%2d | ", (int32_t)(now.tv_sec/3600)%24, (int32_t)(now.tv_sec/60)%60, (int32_t)(now.tv_sec%60));
+	sprintf(data, " %2dh%2d'%2d ", (int32_t)(now.tv_sec/3600)%24, (int32_t)(now.tv_sec/60)%60, (int32_t)(now.tv_sec%60));
 #else
 	time_t rawtime;
 	struct tm * timeinfo;
 	time(&rawtime);
 	timeinfo = localtime(&rawtime);
-	sprintf(data, " %2dh%2d'%2d | ", (timeinfo->tm_hour)%24, timeinfo->tm_min, timeinfo->tm_sec);
+	sprintf(data, " %2dh%2d'%2d ", (timeinfo->tm_hour)%24, timeinfo->tm_min, timeinfo->tm_sec);
 #endif
 }
 
@@ -269,11 +288,12 @@ static void getDisplayTime(char* data) {
 //go to the Top of bash
 #define ETK_BASH_GO_TOP					"\e[0;0f"
 
+#define LENGHT_MAX_LOG (2048)
 
 void etk::log::logChar(int32_t _id, int32_t _level, int32_t _ligne, const char* _className, const char* _funcName, const char* _log) {
 	static std11::mutex g_lock;
-	char handle[1024] = "";
-	memset(handle, ' ', 1024);
+	char handle[LENGHT_MAX_LOG] = "";
+	memset(handle, ' ', LENGHT_MAX_LOG);
 	handle[0] = '\0';
 	char* pointer = handle;
 	if(getColor() == true) {
@@ -334,17 +354,19 @@ void etk::log::logChar(int32_t _id, int32_t _level, int32_t _ligne, const char*
 		}
 		pointer = handle+strlen(handle);
 	#endif
-	if (_id >= 0) {
-		int32_t len = strlen(handle);
-		strcat(pointer, getList()[_id].first.c_str());
-		pointer = handle+strlen(handle);
-		while (strlen(handle) - len < getsizeLog()) {
+	if (getLibName() == true) {
+		if (_id >= 0) {
+			int32_t len = strlen(handle);
+			strcat(pointer, getList()[_id].first.c_str());
+			pointer = handle+strlen(handle);
+			while (strlen(handle) - len < getNameSizeLog()) {
+				*pointer++ = ' ';
+				*pointer = '\0';
+			}
+			*pointer++ = '|';
 			*pointer++ = ' ';
 			*pointer = '\0';
 		}
-		*pointer++ = '|';
-		*pointer++ = ' ';
-		*pointer = '\0';
 	}
 	if(getThreadId() == true) {
 		// display thread ID
@@ -359,10 +381,13 @@ void etk::log::logChar(int32_t _id, int32_t _level, int32_t _ligne, const char*
 	if(getThreadNameEnable() == true) {
 		// display thread ID
 		std::string name = etk::thread::getName();
-		int32_t len = strlen(handle);
-		snprintf(pointer, 20, "%s", name.c_str());
+		if (name.size() >= getThreadSizeLog() ) {
+			getThreadSizeLog() = name.size() + 1;
+		}
+		sprintf(pointer, "%s", name.c_str());
 		pointer = handle+strlen(handle);
-		while (strlen(handle) - len < 20) {
+		size_t nbSpaceToAdd = getThreadSizeLog()-name.size();
+		for (size_t iii=0; iii<nbSpaceToAdd; ++iii) {
 			*pointer++ = ' ';
 			*pointer = '\0';
 		}
@@ -378,26 +403,36 @@ void etk::log::logChar(int32_t _id, int32_t _level, int32_t _ligne, const char*
 			*pointer = '\0';
 		}
 	}
+	// TODO :Maybe optimize this one ...
 	if(getFunction() == true) {
 		int32_t len = strlen(handle);
+		char tmpName[1024];
+		char *tmpPointer = tmpName;
 		if (_className != nullptr) {
-			snprintf(pointer, 70, "%s::", _className);
-			pointer = handle+strlen(handle);
+			snprintf(tmpPointer, 1024, "%s::", _className);
+			tmpPointer = tmpPointer+strlen(tmpPointer);
 		}
 		if (_funcName != nullptr) {
-			snprintf(pointer, 70, "%s", _funcName);
-			pointer = handle+strlen(handle);
+			snprintf(tmpPointer, 1024, "%s", _funcName);
+			tmpPointer = tmpPointer+strlen(tmpPointer);
 		}
-		while (strlen(handle) - len < 60) {
-			*pointer++ = ' ';
-			*pointer = '\0';
+		size_t lenFunc = strlen(tmpName);
+		if (lenFunc >= getFunctionSizeLog()) {
+			getFunctionSizeLog() = lenFunc+1;
 		}
-		*pointer++ = '|';
-		*pointer++ = ' ';
-		*pointer = '\0';
+		size_t nbSpaceToAdd = getFunctionSizeLog() - lenFunc;
+		for (size_t iii=0; iii<nbSpaceToAdd; ++iii) {
+			*tmpPointer++ = ' ';
+			*tmpPointer = '\0';
+		}
+		*tmpPointer++ = '|';
+		*tmpPointer++ = ' ';
+		*tmpPointer = '\0';
+		strcat(pointer, tmpName);
+		pointer += strlen(tmpName);
 	}
-	if (strlen(_log) > 1024-strlen(handle)-20) {
-		memcpy(pointer, _log, 1024-strlen(handle)-21);
+	if (strlen(_log) > LENGHT_MAX_LOG - strlen(handle)-20) {
+		memcpy(pointer, _log, LENGHT_MAX_LOG - strlen(handle)-21);
 		handle[1024-25] = ' ';
 		handle[1024-24] = '.';
 		handle[1024-23] = '.';
diff --git a/etk/log.h b/etk/log.h
index 90c2d99..a2f09a1 100644
--- a/etk/log.h
+++ b/etk/log.h
@@ -89,6 +89,11 @@ namespace etk {
 		 * @param[in] _status New value.
 		 */
 		void setThreadNameEnable(bool _status);
+		/**
+		 * @brief Set library display enable or disable.
+		 * @param[in] _status New value.
+		 */
+		void setLibName(bool _status);
 		/**
 		 * @brief Call log to display
 		 * @param[in] _id Id of the instance type
@@ -110,21 +115,6 @@ namespace etk {
 		 * @param[in] _breakAtEnd assert program when backtrace is printed
 		 */
 		void displayBacktrace(bool _breakAtEnd = false, int32_t _removeElement=0);
-		// TODO : Remove this from heare, this is a first version ...
-		/**
-		 * @brief Set the current thread name
-		 * @param[in] name of the thread
-		 */
-		void setThreadName(const std::string& _name);
-		/**
-		 * @brief Get the current thread name
-		 * @return name of the thread
-		 */
-		std::string getThreadName();
-		/**
-		 * @brief get human readable thread ID. (not the std::thread::get_id())
-		 */
-		uint32_t getThreadID();
 	};
 };
 #ifdef __class__