diff --git a/src/ru/dmitriymx/shell/LogAgent.java b/src/ru/dmitriymx/shell/LogAgent.java
deleted file mode 100644
index cb4f9f0..0000000
--- a/src/ru/dmitriymx/shell/LogAgent.java
+++ /dev/null
@@ -1,79 +0,0 @@
-package ru.dmitriymx.shell;
-
-import java.io.File;
-import java.util.logging.*;
-
-public class LogAgent {
-    private Logger logger;
-
-    public LogAgent() {
-        this(new LogFormatter(), new ConsoleHandler(), null);
-    }
-
-    public LogAgent(Formatter formatter) {
-        this(formatter, new ConsoleHandler(), null);
-    }
-
-    public LogAgent(ConsoleHandler consoleHandler) {
-        this(new LogFormatter(), consoleHandler, null);
-    }
-
-    public LogAgent(File logFile) {
-        this(new LogFormatter(), new ConsoleHandler(), logFile);
-    }
-
-    public LogAgent(Formatter formatter, ConsoleHandler consoleHandler, File logFile) {
-        logger = Logger.getLogger("Shell");
-        logger.setUseParentHandlers(false);
-
-        Handler[] handlers = logger.getHandlers();
-        for (Handler handler : handlers) {
-            logger.removeHandler(handler);
-        }
-
-        consoleHandler.setFormatter(formatter);
-        logger.addHandler(consoleHandler);
-
-        if (logFile != null) {
-            try {
-                FileHandler fHandler = new FileHandler(logFile.getAbsolutePath(), true);
-                fHandler.setFormatter(formatter);
-                logger.addHandler(fHandler);
-            } catch (Exception e) {
-                logger.log(Level.WARNING, "Failed write log to " + logFile.getAbsolutePath(), e);
-            }
-        }
-    }
-
-    public void info(String message) {
-        logger.log(Level.INFO, message);
-    }
-
-    public void info(String message, Object... params) {
-        logger.log(Level.INFO, String.format(message, params));
-    }
-
-    public void warning(String message) {
-        logger.log(Level.WARNING, message);
-    }
-
-    public void warning(String message, Object... params) {
-        logger.log(Level.WARNING, String.format(message, params));
-    }
-
-    public void warning(String message, Throwable trow) {
-        logger.log(Level.WARNING, message, trow);
-    }
-
-    public void severe(String message) {
-        logger.log(Level.SEVERE, message);
-    }
-
-    public void severe(String message, Object... params) {
-        logger.log(Level.SEVERE, String.format(message, params));
-    }
-
-    public void severe(String message, Throwable trow) {
-        logger.log(Level.SEVERE, message, trow);
-    }
-}
\ No newline at end of file
diff --git a/src/ru/dmitriymx/shell/LogFormatter.java b/src/ru/dmitriymx/shell/LogFormatter.java
deleted file mode 100644
index 282d23a..0000000
--- a/src/ru/dmitriymx/shell/LogFormatter.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package ru.dmitriymx.shell;
-
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.text.SimpleDateFormat;
-import java.util.logging.Formatter;
-import java.util.logging.LogRecord;
-
-public class LogFormatter extends Formatter {
-    private final SimpleDateFormat SDF = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss ");
-
-    @Override
-    public String format(LogRecord record) {
-        StringBuilder sb = new StringBuilder();
-        sb.append(SDF.format(record.getMillis()))
-                .append("[").append(record.getLevel().getName()).append("] ")
-                .append(record.getMessage()).append("\n");
-
-        Throwable thrown = record.getThrown();
-        if (thrown != null) {
-            StringWriter sw = new StringWriter();
-            thrown.printStackTrace(new PrintWriter(sw));
-            sb.append(sw.toString());
-        }
-
-        return sb.toString();
-    }
-}
\ No newline at end of file
diff --git a/src/ru/dmitriymx/shell/Shell.java b/src/ru/dmitriymx/shell/Shell.java
index 7f07908..d0e934d 100644
--- a/src/ru/dmitriymx/shell/Shell.java
+++ b/src/ru/dmitriymx/shell/Shell.java
@@ -2,16 +2,13 @@ package ru.dmitriymx.shell;
 
 import jline.console.ConsoleReader;
 
-import java.io.File;
 import java.io.IOException;
 import java.util.LinkedList;
-import java.util.logging.Formatter;
 
 /**
  * Командная оболочка
  */
 public class Shell implements Runnable {
-    private LogAgent log;
     private Thread shellThread;
     private String prompt;
     private LinkedList<IShellCommand> commandList = new LinkedList<>();
@@ -24,45 +21,8 @@ public class Shell implements Runnable {
      * @throws IOException
      */
     public Shell() throws IOException {
-        this(new LogFormatter(), null);
-    }
-
-    /**
-     * Создание командной оболочки
-     * @param logFile файл журналирования
-     * @throws IOException
-     */
-    public Shell(File logFile) throws IOException {
-        this(new LogFormatter(), logFile);
-    }
-
-    /**
-     * Создание командной оболочки
-     * @param logFormatter свой вариант форматирования вывода
-     * @throws IOException
-     */
-    public Shell(Formatter logFormatter) throws IOException {
-        this(logFormatter, null);
-    }
-
-    /**
-     * Создание командной оболочки
-     * @param logFormatter свой вариант форматирования вывода
-     * @param logFile файл журналирования
-     * @throws IOException
-     */
-    public Shell(Formatter logFormatter, File logFile) throws IOException {
         cReader = new ConsoleReader(System.in, System.out);
         cReader.setExpandEvents(false);
-        log = new LogAgent(logFormatter, new ShellConsoleHandler(this), logFile);
-    }
-
-    /**
-     * Получить объект журналирования
-     * @return
-     */
-    public LogAgent getLog() {
-        return log;
     }
 
     /**
@@ -118,7 +78,7 @@ public class Shell implements Runnable {
             shellThread.join();
             shellThread.start();
         } catch (InterruptedException e) {
-            log.severe("Shell thread exception: ", e);
+        	e.printStackTrace();
         }
     }
 
@@ -161,10 +121,16 @@ public class Shell implements Runnable {
                         continue readerLoop;
                     }
                 }
-                log.warning("Unknow command \"%s\"", commandName);
+                System.err.println(String.format("Unknow command \"%s\"", commandName));
+                try {
+					Thread.sleep(1);
+				} catch (InterruptedException e) {
+					e.printStackTrace();
+				}
             }
         } catch (IOException e) {
-            log.severe("Shell exception:", e);
+        	System.err.println("Shell exception");
+        	e.printStackTrace();
         }
 
         cReader.removeCompleter(commandCompleter);