diff --git a/libs/console/piscreen.cpp b/libs/console/piscreen.cpp
index 6ee52ebe..fa8388a2 100644
--- a/libs/console/piscreen.cpp
+++ b/libs/console/piscreen.cpp
@@ -51,6 +51,18 @@ PRIVATE_DEFINITION_END(PIScreen::SystemConsole)
 PIScreen::SystemConsole::SystemConsole() {
 	width = height = pwidth = pheight = 0;
 	mouse_x = mouse_y = -1;
+}
+
+
+PIScreen::SystemConsole::~SystemConsole() {
+#ifdef WINDOWS
+	SetConsoleMode(PRIVATE->hOut, PRIVATE->smode);
+	SetConsoleTextAttribute(PRIVATE->hOut, PRIVATE->dattr);
+#endif
+}
+
+
+void PIScreen::SystemConsole::begin() {
 	int w, h;
 #ifdef WINDOWS
 	PRIVATE->ulcoord.X = 0;
@@ -74,18 +86,6 @@ PIScreen::SystemConsole::SystemConsole() {
 #  endif
 #endif
 	resize(w, h);
-}
-
-
-PIScreen::SystemConsole::~SystemConsole() {
-#ifdef WINDOWS
-	SetConsoleMode(PRIVATE->hOut, PRIVATE->smode);
-	SetConsoleTextAttribute(PRIVATE->hOut, PRIVATE->dattr);
-#endif
-}
-
-
-void PIScreen::SystemConsole::begin() {
 #ifdef WINDOWS
 	SetConsoleMode(PRIVATE->hOut, ENABLE_WRAP_AT_EOL_OUTPUT);
 	GetConsoleScreenBufferInfo(PRIVATE->hOut, &PRIVATE->sbi);
@@ -93,6 +93,7 @@ void PIScreen::SystemConsole::begin() {
 	PRIVATE->bc.Y = 0;
 #endif
 	clear();
+	clearScreen();
 	hideCursor();
 }
 
diff --git a/libs/main/core/pibinarystream.h b/libs/main/core/pibinarystream.h
index 35625665..592c53f0 100644
--- a/libs/main/core/pibinarystream.h
+++ b/libs/main/core/pibinarystream.h
@@ -69,8 +69,24 @@ public:
 	}
 	template<typename T>
 	void binaryStreamAppend(T v) {binaryStreamAppend(&v, sizeof(v));}
-	uchar binaryStreamTakeByte() {uchar r = 0; binaryStreamTake(&r, sizeof(r)); return r;}
-	int binaryStreamTakeInt() {int r = 0; binaryStreamTake(&r, sizeof(r)); return r;}
+	uchar binaryStreamTakeByte(bool * ok = nullptr) {
+		uchar r = 0;
+		if (binaryStreamTake(&r, sizeof(r))) {
+			if (ok) *ok = true;
+		} else {
+			if (ok) *ok = false;
+		}
+		return r;
+	}
+	int binaryStreamTakeInt(bool * ok = nullptr) {
+		int r = 0;
+		if (binaryStreamTake(&r, sizeof(r))) {
+			if (ok) *ok = true;
+		} else {
+			if (ok) *ok = false;
+		}
+		return r;
+	}
 };
 
 
diff --git a/libs/main/core/pitextstream.h b/libs/main/core/pitextstream.h
new file mode 100644
index 00000000..2abe38f9
--- /dev/null
+++ b/libs/main/core/pitextstream.h
@@ -0,0 +1,92 @@
+/*! \file pitextstream.h
+ * \ingroup Core
+ * \~\brief
+ * \~english Text serialization interface
+ * \~russian Интерфейс текстовой сериализации
+*/
+/*
+	PIP - Platform Independent Primitives
+	Text serialization interface
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Lesser General Public License for more details.
+
+	You should have received a copy of the GNU Lesser General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PITEXTSTREAM_H
+#define PITEXTSTREAM_H
+
+#include "pistring.h"
+
+
+//! \ingroup Core
+//! \~\brief
+//! \~english Text serialization interface.
+//! \~russian Интерфейс текстовой сериализации.
+template<typename P>
+class PITextStream {
+public:
+	PITextStream(PIBinaryStream<P> * stream): s(stream) {}
+
+	PITextStream<P> & newLine() {s->binaryStreamAppend('\n'); return *this;}
+	PITextStream<P> & space() {s->binaryStreamAppend(' '); return *this;}
+	void append(const PIString & v) {
+		if (v.isEmpty()) return;
+		auto utf8 = v.toUTF8();
+		s->binaryStreamAppend(utf8.data(), utf8.size());
+	}
+	void append(const PIConstChars & v) {if (!v.isEmpty()) s->binaryStreamAppend(v.data(), v.size());}
+	void append(char v) {s->binaryStreamAppend(v);}
+	void append(const char * v) {append(PIConstChars(v));}
+	void append(bool v) {append(v ? "true" : "false");}
+	void append(int v) {append(PIString::fromNumber(v));}
+	void append(llong v) {append(PIString::fromNumber(v));}
+	void append(float v) {append(PIString::fromNumber(v));}
+	void append(double v) {append(PIString::fromNumber(v));}
+
+	char takeChar(bool * ok) {return (char)s->binaryStreamTakeByte(ok);}
+
+	bool textStreamSkipSpaces() {
+
+		//if ()
+	}
+	PIString textStreamTakeLine() {
+
+	}
+	PIString textStreamTakeWord();
+
+private:
+	PIBinaryStream<P> * s;
+
+};
+
+template<typename P>
+inline PITextStream<P> createPITextStream(PIBinaryStream<P> * stream) {return PITextStream<P>(stream);}
+
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, bool    v) {s.append(v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s,  char   v) {s.append(v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, uchar   v) {s.append((int)v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s,  short  v) {s.append((int)v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, ushort  v) {s.append((int)v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s,  int    v) {s.append((int)v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, uint    v) {s.append((int)v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s,  llong  v) {s.append((llong)v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, ullong  v) {s.append((llong)v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, float   v) {s.append(v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, double  v) {s.append(v); return s;}
+
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, const char * v) {s.append(v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, const PIConstChars & v) {s.append(v); return s;}
+template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, const PIString & v) {s.append(v); return s;}
+
+#endif
diff --git a/libs/main/io_devices/piiostream.h b/libs/main/io_devices/piiostream.h
new file mode 100644
index 00000000..70e23ec0
--- /dev/null
+++ b/libs/main/io_devices/piiostream.h
@@ -0,0 +1,59 @@
+/*! \file piiostream.h
+ * \ingroup IO
+ * \~\brief
+ * \~english PIBinaryStream functionality for PIIODevice
+ * \~russian Функциональность PIBinaryStream для PIIODevice
+ */
+/*
+	PIP - Platform Independent Primitives
+	PIBinaryStream functionality for PIIODevice
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Lesser General Public License for more details.
+
+	You should have received a copy of the GNU Lesser General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PIIOSTREAM_H
+#define PIIOSTREAM_H
+
+#include "piiodevice.h"
+
+
+//! \ingroup IO
+//! \~\brief
+//! \~english PIBinaryStream functionality for PIIODevice.
+//! \~russian Функциональность PIBinaryStream для PIIODevice.
+class PIP_EXPORT PIIOBinaryStream: public PIBinaryStream<PIIOBinaryStream> {
+public:
+
+	//! \~english Contructs %PIIOBinaryStream for "device" device
+	//! \~russian Создает %PIIOBinaryStream для устройства "device"
+	PIIOBinaryStream(PIIODevice * device): dev(device) {}
+
+	bool binaryStreamAppendImp(const void * d, size_t s) {
+		if (!dev) return false;
+		return dev->write(d, s);
+	}
+
+	bool binaryStreamTakeImp(void * d, size_t s) {
+		if (!dev) return false;
+		return dev->read(d, s);
+	}
+
+private:
+	PIIODevice * dev;
+
+};
+
+
+#endif // PIIOSTREAM_H
diff --git a/libs/main/io_devices/pipeer.cpp b/libs/main/io_devices/pipeer.cpp
index 96a07810..40b2a91e 100644
--- a/libs/main/io_devices/pipeer.cpp
+++ b/libs/main/io_devices/pipeer.cpp
@@ -573,7 +573,7 @@ bool PIPeer::mbcastRead(uchar * data, int size) {
 	if (type <= 0 || type >= 4) return true;
 	PeerInfo pi;
 	ba >> pi.name;
-//	piCoutObj << "received mb from" << pi.name << "packet" << type;
+	//piCout << "received mb from" << pi.name << "packet" << type;
 	if (pi.name == self_info.name) return true;
 	PIMutexLocker locker(mc_mutex);
 	diag_s.received(size);
@@ -789,6 +789,7 @@ void PIPeer::sendPeerInfo(const PeerInfo & info) {
 
 
 void PIPeer::sendPeerRemove(const PIString & peer) {
+	//piCout << name() << "sendPeerRemove" << peer;
 	PIByteArray ba;
 	ba << int(2) << peer;
 	sendMBcast(ba);
@@ -858,7 +859,7 @@ void PIPeer::syncPeers() {
 		PeerInfo & cp(peers[i]);
 		if (cp.sync > 3) {
 			pn = cp.name;
-			//piCoutObj << "sync: remove " << pn;
+			//piCout << "sync: remove " << pn;
 			cp.destroy();
 			addToRemoved(cp);
 			peers.remove(i);
diff --git a/main.cpp b/main.cpp
index 477dab6c..f409fc61 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,7 @@
 #include "pip.h"
 #include "pibinarystream.h"
+#include "pitextstream.h"
+#include "piiostream.h"
 //#include "stream.h"
 //#include "ccm.h"
 //#include "pisystemmonitor_.h"
@@ -33,8 +35,23 @@ PICout operator << (PICout c, const TS & v) {c << '{' << v.i << ", " << v.f << '
 template<typename P> inline PIBinaryStream<P> & operator <<(PIBinaryStream<P> & s, const TS & v) {s << v.i; return s;}
 template<typename P> inline PIBinaryStream<P> & operator >>(PIBinaryStream<P> & s,       TS & v) {s >> v.i; return s;}
 
+
 int main(int argc, char * argv[]) {
 	PIByteArray ba;
+	PIFile f;
+	f.open("_", PIIODevice::ReadWrite);
+	f.clear();
+	PIIOBinaryStream ios(&f);
+	auto ts = createPITextStream(&ios);
+
+	ts << "hello" << uchar('1');
+	ts.space();
+	(ts << PIString::fromUTF8("№") << 123).space() << -0.1f;
+	ts.newLine();
+
+	piCout << PIString(ba);
+	//PIIOByteArray ioba(&ba);
+	//PIIOBinaryStream stream(&ioba);
 	/*ProcessStatsFixed_ ps;
 	ba << ps;
 	piCout << "s" << ba.data;*/
@@ -53,7 +70,8 @@ int main(int argc, char * argv[]) {
 	ba >> vi;
 	piCout << "res" << vi;
 	piCout << "r" << ba.data;*/
-	PIMap<PIIODevice::DeviceMode, PIStringList> map;
+
+	/*PIMap<PIIODevice::DeviceMode, PIStringList> map;
 	map[PIIODevice::ReadOnly] = {"str0", PIString::fromUTF8("русский!")};
 	piMSleep(100);
 	map[PIIODevice::ReadWrite] = {""};
@@ -61,13 +79,14 @@ int main(int argc, char * argv[]) {
 	map[PIIODevice::WriteOnly] = {PIString::fromUTF8("русский!"), "", "1234567890", "qwertyuiop[]"};
 	piCout << map;
 
-	ba << map;
+	stream << map;
 	piCout << ba;
 	map.clear();
 
-	ba >> map;
+	ioba.seekToBegin();
+	stream >> map;
 	piCout << map;
-	piCout << ba;
+	piCout << ba;*/
 
 	return 0;
 }
diff --git a/utils/system_daemon/main.cpp b/utils/system_daemon/main.cpp
index dc74f203..ba1f2ba8 100755
--- a/utils/system_daemon/main.cpp
+++ b/utils/system_daemon/main.cpp
@@ -394,7 +394,7 @@ int main(int argc, char * argv[]) {
 	MainMenu * menu = new MainMenu(*daemon);
 	if (sapp) CONNECTU(sapp, messageReceived, menu, messageFromApp);
 	if (cli.hasArgument("silent")) {
-		PICout::setBufferActive(false);
+		PICout::setOutputDevices(PICout::StdOut);
 		PIKbdListener ls;
 		ls.enableExitCapture(PIKbdListener::F10);
 		ls.start();