diff --git a/src/fr/devinsy/util/unix/Unix.java b/src/fr/devinsy/util/unix/Unix.java
index 11a1bd7..6430214 100644
--- a/src/fr/devinsy/util/unix/Unix.java
+++ b/src/fr/devinsy/util/unix/Unix.java
@@ -8,34 +8,253 @@ import fr.devinsy.util.cmdexec.CmdExec;
 import fr.devinsy.util.unix.acl.Acl;
 import fr.devinsy.util.unix.acl.AclManager;
 
-
 /**
  *
  */
 public class Unix
 {
-	static private org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger (Unix.class);
+	static private org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Unix.class);
 	static public final String SUDO = "/usr/bin/sudo";
 
-	
 	/**
 	 *
 	 */
-	static public boolean isLogin (String login)
+	static public void appendToFile(final String text, final String path) throws Exception
 	{
-		boolean result;
+		if ((text == null) || (text.length() == 0) || (path == null) || (path.length() == 0))
+		{
+			throw new Exception("Parameter undefined: [" + text + "][" + path + "].");
+		}
+		else
+		{
+			try
+			{
+				CmdExec.run(SUDO, "bash", "-c", "echo \"" + text + "\" >> " + path);
+			}
+			catch (Exception exception)
+			{
+				throw new Exception("Error detected appending text to file [" + path + "].", exception);
+			}
+		}
+	}
 
-		result = EtcPasswdFile.instance().contains(login);
+	/**
+	 *
+	 */
+	static public void chmod(final String changes, final String path) throws Exception
+	{
+		if ((changes == null) || (changes.length() == 0) || (path == null) || (path.length() == 0))
+		{
+			throw new Exception("Parameter undefined: [" + changes + "][" + path + "].");
+		}
+		else if (!new File(path).exists())
+		{
+			throw new Exception("Path not found: [" + path + "].");
+		}
+		else
+		{
+			try
+			{
+				CmdExec.run(SUDO, "chmod", changes, path);
+			}
+			catch (Exception exception)
+			{
+				throw new Exception("Error running chmod command for [" + changes + "][" + path + "].", exception);
+			}
+		}
+	}
+
+	/**
+	 * 
+	 */
+	static public void clearAcl(final String id, final String filePathName) throws Exception
+	{
+		AclManager.clearId(id, filePathName);
+	}
+
+	/**
+	 * 
+	 */
+	static public void clearAclGroup(final String group, final String filePathName) throws Exception
+	{
+		AclManager.clearGroup(group, filePathName);
+	}
+
+	/**
+	 * 
+	 */
+	static public void clearAclUser(final String login, final String filePathName) throws Exception
+	{
+		AclManager.clearUser(login, filePathName);
+	}
+
+	/**
+	 *
+	 */
+	static public void createUserAccount(final String login) throws Exception
+	{
+		if ((login == null) || (login.length() == 0))
+		{
+			throw new Exception("Login parameter undefined.");
+		}
+		else
+		{
+			createUserAccount(login, login);
+		}
+	}
+
+	/**
+	 *
+	 */
+	static public void createUserAccount(final String login, final String name) throws Exception
+	{
+		if ((login == null) || (login.length() == 0))
+		{
+			throw new Exception("Login parameter undefined.");
+		}
+		else if ((name == null) || (name.length() == 0))
+		{
+			throw new Exception("Name parameter undefined.");
+		}
+		else
+		{
+			createUserAccount(login, name, "/home/" + login);
+		}
+	}
+
+	/**
+	 *
+	 */
+	static public void createUserAccount(final String login, final String name, final String home) throws Exception
+	{
+		if ((login == null) || (login.length() == 0))
+		{
+			throw new Exception("Login parameter undefined.");
+		}
+		else if ((name == null) || (name.length() == 0))
+		{
+			throw new Exception("Name parameter undefined.");
+		}
+		else if ((home == null) || (home.length() == 0))
+		{
+			throw new Exception("Home parameter undefined.");
+		}
+		else
+		{
+			try
+			{
+				logger.info("Creating user account for [" + login + "].");
+				CmdExec.run(SUDO, "/usr/sbin/useradd", "-c", name, "-d", home, login);
+				EtcPasswdFile.instance().update();
+				logger.info("User account created for [" + login + "].");
+			}
+			catch (Exception exception)
+			{
+				throw new Exception("Error detected creating user account [" + login + "].", exception);
+			}
+		}
+	}
+
+	/**
+	 *
+	 */
+	static public void createUserAccount(final String login, final String name, final String home, final String password) throws Exception
+	{
+		if ((password == null) || (password.length() == 0))
+		{
+			throw new Exception("Password parameter undefined.");
+		}
+		else if (Unix.isLogin(login))
+		{
+			throw new Exception("Login [" + login + "] already in use");
+		}
+		else
+		{
+			createUserAccount(login, name, home);
+			setPassword(login, password);
+		}
+	}
+
+	/**
+	 *
+	 */
+	static public void deleteGroup(final String group) throws Exception
+	{
+		if ((group == null) || (group.length() == 0))
+		{
+			throw new Exception("Group parameter undefined.");
+		}
+		else
+		{
+			try
+			{
+				logger.info("Deleting group for [" + group + "].");
+				CmdExec.run(SUDO + " groupdel " + group);
+				logger.info("Group deleted for [" + group + "].");
+			}
+			catch (Exception exception)
+			{
+				throw new Exception("Error running groupdel command for group [" + group + "].", exception);
+			}
+		}
+	}
+
+	/**
+	 *
+	 */
+	static public void deleteUserAccount(final String login) throws Exception
+	{
+		if ((login == null) || (login.length() == 0))
+		{
+			throw new Exception("Login parameter undefined.");
+		}
+		else
+		{
+			try
+			{
+				logger.info("Deleting user account for [" + login + "].");
+				CmdExec.run(SUDO + " /usr/sbin/userdel " + login);
+				logger.info("User account delted for [" + login + "].");
+			}
+			catch (Exception exception)
+			{
+				throw new Exception("Error running userdel command for login [" + login + "].", exception);
+			}
+		}
+	}
+
+	/**
+	 *
+	 */
+	static public String getAclData(final String filePathName) throws Exception
+	{
+		String result;
+
+		result = AclManager.getAclData(filePathName);
 
 		//
 		return (result);
 	}
 
-	
 	/**
 	 *
 	 */
-	static public boolean isGroup (String groupName)
+	static public String[] getAclUsers(final String filePathName) throws Exception
+	{
+		String[] result;
+
+		Acl acl = AclManager.getAcl(filePathName);
+
+		result = acl.currentAcl().getUserIds();
+
+		//
+		return (result);
+	}
+
+	/**
+	 *
+	 */
+	static public boolean isGroup(final String groupName)
 	{
 		boolean result;
 
@@ -45,274 +264,81 @@ public class Unix
 		return (result);
 	}
 
-
 	/**
 	 *
 	 */
-	static public User searchLogin(String login)
+	static public boolean isLogin(final String login)
 	{
-		User result;
+		boolean result;
 
-		result = EtcPasswdFile.instance ().get (login);
+		result = EtcPasswdFile.instance().contains(login);
 
 		//
 		return (result);
 	}
 
-
 	/**
 	 *
 	 */
-	static public Group searchGroup (String groupName)
+	static public void link(final String sourcePath, final String targetPath) throws Exception
 	{
-		Group result;
-
-		result = EtcGroupFile.instance ().get(groupName); 
-
-		//
-		return (result);
-	}
-
-
-	/**
-	 *
-	 */
-	static public Vector<String> searchLoginGroups (String login)
-	{
-		Vector<String> result;
-
-		result = EtcGroupFile.instance ().getLoginGroups (login);
-
-		//
-		return (result);
-	}
-
-
-	/**
-	 * chfn [ -f full-name ] [ username ]
-	 */
-	static public void setRealName (String login, String newRealName) throws Exception
-	{
-		if ((login == null) || (login.length () == 0))
+		logger.info("[" + sourcePath + "][" + targetPath + "]");
+		if ((sourcePath == null) || (sourcePath.length() == 0) || (targetPath == null) || (targetPath.length() == 0))
 		{
-			throw new Exception ("Login parameter undefined.");
-		}
-		else if (newRealName == null)
-		{
-			throw new Exception ("New real name parameter undefined.");
+			throw new Exception("Parameter undefined: [" + sourcePath + "][" + targetPath + "].");
 		}
 		else
 		{
-			try
+			File sourceFile = new File(sourcePath);
+			File targetFile = new File(targetPath);
+
+			if (!sourceFile.exists())
 			{
-				logger.info ("Real name changing for user [" + login + "].");
-				CmdExec.run (SUDO, "chfn", "-f", newRealName, login);
-				EtcPasswdFile.instance().update();
-				logger.info ("Real name changed for user [" + login + "].");
+				throw new Exception("Source does not exist: [" + sourcePath + "].");
 			}
-			catch (Exception exception)
+			else if ((targetFile.exists()) && (!targetFile.isDirectory()))
 			{
-				throw new Exception ("Error detected on setting of the new real name for [" + login + "].", exception);
+				throw new Exception("Target already exists: [" + targetPath + "].");
+			}
+			else
+			{
+				try
+				{
+					CmdExec.run(SUDO, "ln", "-s", sourcePath, targetPath);
+				}
+				catch (Exception exception)
+				{
+					throw new Exception("Error detected linking [" + sourcePath + "][" + targetPath + "].", exception);
+				}
 			}
 		}
 	}
 
-
 	/**
 	 *
 	 */
-	static public void setPassword (String login, String newPassword) throws Exception
+	static public void modifyLogin(final String sourceLogin, final String targetLogin, final String sourceHomeDirectory) throws Exception
 	{
-		if ((login == null) || (login.length () == 0))
+		logger.info("Starting login modifying: [" + sourceLogin + "] -> [" + targetLogin + "]");
+		if ((sourceLogin == null) || (sourceLogin.length() == 0))
 		{
-			throw new Exception ("Login parameter undefined.");
+			throw new Exception("Original login parameters undefined");
 		}
-		else if (newPassword == null)
+		else if ((targetLogin == null) || (targetLogin.length() == 0))
 		{
-			throw new Exception ("New password parameter undefined.");
-		}
-		else
-		{
-			try
-			{
-				logger.info ("Password setting for [" + login + "].");
-				CmdExec.run (SUDO, "bash", "-c", "echo \"" + newPassword + "\"| passwd " + login + " --stdin");
-				logger.info ("Password set for [" + login + "].");
-			}
-			catch (Exception exception)
-			{
-				throw new Exception ("Error detected on setting of the new password for [" + login + "].", exception);
-			}
-		}
-	}
-
-	
-	/**
-	 *
-	 */
-	static public void createUserAccount (String login) throws Exception
-	{
-		if ((login == null) || (login.length () == 0))
-		{
-			throw new Exception ("Login parameter undefined.");
-		}
-		else
-		{
-			createUserAccount(login, login);
-		}
-	}	
-
-
-	/**
-	 *
-	 */
-	static public void createUserAccount (String login, String name) throws Exception
-	{
-		if ((login == null) || (login.length () == 0))
-		{
-			throw new Exception ("Login parameter undefined.");
-		}
-		else if ((name == null) || (name.length () == 0))
-		{
-			throw new Exception ("Name parameter undefined.");
-		}
-		else
-		{
-			createUserAccount(login, name, "/home/" + login);
-		}
-	}	
-
-
-	/**
-	 *
-	 */
-	static public void createUserAccount (String login, String name, String home) throws Exception
-	{
-		if ((login == null) || (login.length () == 0))
-		{
-			throw new Exception ("Login parameter undefined.");
-		}
-		else if ((name == null) || (name.length () == 0))
-		{
-			throw new Exception ("Name parameter undefined.");
-		}
-		else if ((home == null) || (home.length () == 0))
-		{
-			throw new Exception ("Home parameter undefined.");
-		}
-		else
-		{
-			try
-			{
-				logger.info ("Creating user account for [" + login + "].");
-				CmdExec.run (SUDO, "/usr/sbin/useradd", "-c", name, "-d", home, login);
-				EtcPasswdFile.instance().update();
-				logger.info ("User account created for [" + login + "].");
-			}
-			catch(Exception exception)
-			{
-				throw new Exception ("Error detected creating user account [" + login + "].", exception);
-			}
-		}
-	}
-
-
-	/**
-	 *
-	 */
-	static public void createUserAccount (String login, String name, String home, String password) throws Exception
-	{
-		if ((password == null) || (password.length () == 0))
-		{
-			throw new Exception ("Password parameter undefined.");
-		}
-		else if (Unix.isLogin(login))
-		{
-			throw new Exception ("Login [" + login + "] already in use");
-		}
-		else
-		{
-			createUserAccount(login, name, home);
-			setPassword(login, password);
-		}
-	}
-
-
-	/**
-	 *
-	 */
-	static public void deleteUserAccount (String login) throws Exception
-	{
-		if ((login == null) || (login.length() == 0))
-		{
-			throw new Exception ("Login parameter undefined.");
-		}
-		else
-		{
-			try
-			{
-				logger.info ("Deleting user account for [" + login + "].");
-				CmdExec.run (SUDO + " /usr/sbin/userdel " + login);
-				logger.info ("User account delted for [" + login + "].");
-			}
-			catch (Exception exception)
-			{
-				throw new Exception ("Error running userdel command for login [" + login + "].", exception);
-			}
-		}
-	}
-	
-
-	/**
-	 *
-	 */
-	static public void deleteGroup (String group) throws Exception
-	{
-		if ((group == null) || (group.length() == 0))
-		{
-			throw new Exception ("Group parameter undefined.");
-		}
-		else
-		{
-			try
-			{
-				logger.info ("Deleting group for [" + group + "].");
-				CmdExec.run (SUDO + " groupdel " + group);
-				logger.info ("Group deleted for [" + group + "].");
-			}
-			catch (Exception exception)
-			{
-				throw new Exception ("Error running groupdel command for group [" + group + "].", exception);
-			}
-		}
-	}
-	
-	
-	/**
-	 *
-	 */
-	static public void modifyLogin (String sourceLogin, String targetLogin, String sourceHomeDirectory) throws Exception
-	{
-		logger.info ("Starting login modifying: [" + sourceLogin + "] -> [" + targetLogin + "]");
-		if ((sourceLogin == null) || (sourceLogin.length () == 0))
-		{
-			throw new Exception ("Original login parameters undefined");
-		}
-		else if ((targetLogin == null) || (targetLogin.length () == 0))
-		{
-			throw new Exception ("New login parameters undefined");
+			throw new Exception("New login parameters undefined");
 		}
 		else if (!Unix.isLogin(sourceLogin))
 		{
-			throw new Exception ("Original login unknow: [" + sourceLogin + "].");
+			throw new Exception("Original login unknow: [" + sourceLogin + "].");
 		}
 		else if (Unix.isLogin(targetLogin))
 		{
-			throw new Exception ("New login unknow: [" + targetLogin + "].");
+			throw new Exception("New login unknow: [" + targetLogin + "].");
 		}
 		else if (sourceHomeDirectory == null)
 		{
-			throw new Exception ("sourceHomeDirectory parameter undefined, thus no home directory move.");
+			throw new Exception("sourceHomeDirectory parameter undefined, thus no home directory move.");
 		}
 		else if (!new File(sourceHomeDirectory).exists())
 		{
@@ -320,7 +346,7 @@ public class Unix
 		}
 		else
 		{
-			String targetHomeDirectory = new File(sourceHomeDirectory).getParent().toString() + "/" + targetLogin; 
+			String targetHomeDirectory = new File(sourceHomeDirectory).getParent().toString() + "/" + targetLogin;
 			if (new File(targetHomeDirectory).exists())
 			{
 				throw new Exception("Target home directory already exists: [" + targetHomeDirectory + "].");
@@ -329,130 +355,137 @@ public class Unix
 			{
 				try
 				{
-					logger.info ("Login modifying: [" + sourceLogin + "] -> [" + targetLogin + "]");
-					CmdExec.run (SUDO + " usermod -l "+ targetLogin + " " + sourceLogin);
-					logger.info ("Login modified: [" + sourceLogin + "] -> [" + targetLogin + "]");
+					logger.info("Login modifying: [" + sourceLogin + "] -> [" + targetLogin + "]");
+					CmdExec.run(SUDO + " usermod -l " + targetLogin + " " + sourceLogin);
+					logger.info("Login modified: [" + sourceLogin + "] -> [" + targetLogin + "]");
 				}
 				catch (Exception exception)
 				{
-					throw new Exception ("Login modification failed for [" + sourceLogin + "].", exception);
+					throw new Exception("Login modification failed for [" + sourceLogin + "].", exception);
 				}
 
 				try
 				{
-					logger.info ("Renaming home directory: [" + sourceHomeDirectory + "] -> [" + targetLogin + "]");
-					CmdExec.run (SUDO + " mv " + sourceHomeDirectory + " " + targetHomeDirectory);
-					logger.info ("Home directory renamed: [" + sourceHomeDirectory + "] -> [" + targetLogin + "]");
+					logger.info("Renaming home directory: [" + sourceHomeDirectory + "] -> [" + targetLogin + "]");
+					CmdExec.run(SUDO + " mv " + sourceHomeDirectory + " " + targetHomeDirectory);
+					logger.info("Home directory renamed: [" + sourceHomeDirectory + "] -> [" + targetLogin + "]");
 				}
 				catch (Exception exception)
 				{
-					throw new Exception ("Home directory rename failed for [" + sourceHomeDirectory + "].", exception);
+					throw new Exception("Home directory rename failed for [" + sourceHomeDirectory + "].", exception);
 				}
 			}
 		}
-		logger.info ("Login modifying done: [" + sourceLogin + "] -> [" + targetLogin + "]");
+		logger.info("Login modifying done: [" + sourceLogin + "] -> [" + targetLogin + "]");
 	}
 
-	
 	/**
 	 *
 	 */
-	static public void renameGroup (String sourceGroup, String targetGroup) throws Exception
+	static public void recursiveChmod(final String changes, final String path) throws Exception
 	{
-		logger.info ("Starting group renaming: [" + sourceGroup + "] -> [" + targetGroup + "]");
-		if ((sourceGroup == null) || (sourceGroup.length () == 0))
+		if ((changes == null) || (changes.length() == 0) || (path == null) || (path.length() == 0))
 		{
-			throw new Exception ("Original group name parameters undefined");
+			throw new Exception("Parameter undefined: [" + changes + "][" + path + "].");
 		}
-		else if ((targetGroup == null) || (targetGroup.length () == 0))
+		else if (!new File(path).exists())
 		{
-			throw new Exception ("New group name parameters undefined");
+			throw new Exception("Path not found: [" + path + "].");
+		}
+		else
+		{
+			try
+			{
+				CmdExec.run(SUDO, "chmod", "-R", changes, path);
+			}
+			catch (Exception exception)
+			{
+				throw new Exception("Error running recursive chmod command for [" + changes + "][" + path + "].", exception);
+			}
+		}
+	}
+
+	/**
+	 *
+	 */
+	static public void renameGroup(final String sourceGroup, final String targetGroup) throws Exception
+	{
+		logger.info("Starting group renaming: [" + sourceGroup + "] -> [" + targetGroup + "]");
+		if ((sourceGroup == null) || (sourceGroup.length() == 0))
+		{
+			throw new Exception("Original group name parameters undefined");
+		}
+		else if ((targetGroup == null) || (targetGroup.length() == 0))
+		{
+			throw new Exception("New group name parameters undefined");
 		}
 		else if (!Unix.isGroup(sourceGroup))
 		{
-			throw new Exception ("Original group unknow: [" + sourceGroup + "].");
+			throw new Exception("Original group unknow: [" + sourceGroup + "].");
 		}
 		else if (Unix.isGroup(targetGroup))
 		{
-			throw new Exception ("New group unknow: [" + targetGroup + "].");
+			throw new Exception("New group unknow: [" + targetGroup + "].");
 		}
 		else
 		{
 			try
 			{
-				logger.info ("Login modifying: [" + sourceGroup + "] -> [" + targetGroup + "]");
-				CmdExec.run (SUDO + " groupmod -n "+ targetGroup + " " + sourceGroup);
-				logger.info ("Login modified: [" + sourceGroup + "] -> [" + targetGroup + "]");
+				logger.info("Login modifying: [" + sourceGroup + "] -> [" + targetGroup + "]");
+				CmdExec.run(SUDO + " groupmod -n " + targetGroup + " " + sourceGroup);
+				logger.info("Login modified: [" + sourceGroup + "] -> [" + targetGroup + "]");
 			}
 			catch (Exception exception)
 			{
-				throw new Exception ("Group renaming failed for [" + sourceGroup + "].", exception);
+				throw new Exception("Group renaming failed for [" + sourceGroup + "].", exception);
 			}
 		}
-		logger.info ("Group renaming done: [" + sourceGroup + "] -> [" + targetGroup + "]");
+		logger.info("Group renaming done: [" + sourceGroup + "] -> [" + targetGroup + "]");
 	}
 
-	
 	/**
 	 *
 	 */
-	static public void recursiveChmod (String changes, String path) throws Exception
+	static public Group searchGroup(final String groupName)
 	{
-		if ((changes == null) || (changes.length() == 0) ||
-			(path == null) || (path.length() == 0))
-		{
-			throw new Exception ("Parameter undefined: [" + changes + "][" + path + "].");
-		}
-		else if (!new File(path).exists())
-		{
-			throw new Exception ("Path not found: [" + path + "].");
-		}
-		else
-		{
-			try
-			{
-				CmdExec.run (SUDO, "chmod", "-R", changes, path);
-			}
-			catch (Exception exception)
-			{
-				throw new Exception ("Error running recursive chmod command for [" + changes + "][" + path + "].", exception);
-			}
-		}
+		Group result;
+
+		result = EtcGroupFile.instance().get(groupName);
+
+		//
+		return (result);
 	}
 
-	
 	/**
 	 *
 	 */
-	static public void chmod (String changes, String path) throws Exception
+	static public User searchLogin(final String login)
 	{
-		if ((changes == null) || (changes.length() == 0) ||
-			(path == null) || (path.length() == 0))
-		{
-			throw new Exception ("Parameter undefined: [" + changes + "][" + path + "].");
-		}
-		else if (!new File(path).exists())
-		{
-			throw new Exception ("Path not found: [" + path + "].");
-		}
-		else
-		{
-			try
-			{
-				CmdExec.run (SUDO, "chmod", changes, path);
-			}
-			catch (Exception exception)
-			{
-				throw new Exception ("Error running chmod command for [" + changes + "][" + path + "].", exception);
-			}
-		}
-	}
+		User result;
 
+		result = EtcPasswdFile.instance().get(login);
+
+		//
+		return (result);
+	}
 
 	/**
 	 *
 	 */
-	static public void setfacl (String ... args) throws Exception
+	static public Vector<String> searchLoginGroups(final String login)
+	{
+		Vector<String> result;
+
+		result = EtcGroupFile.instance().getLoginGroups(login);
+
+		//
+		return (result);
+	}
+
+	/**
+	 *
+	 */
+	static public void setfacl(final String... args) throws Exception
 	{
 		try
 		{
@@ -460,146 +493,84 @@ public class Unix
 		}
 		catch (Exception exception)
 		{
-			throw new Exception ("Error running setfacl command for " + StringConcatenator.toStringWithBrackets(args) + ":" + exception.getMessage() + ".", exception);
+			throw new Exception("Error running setfacl command for " + StringConcatenator.toStringWithBrackets(args) + ":" + exception.getMessage() + ".",
+					exception);
 		}
 	}
-		
-	
+
 	/**
-	 *
+	 * As 'passwd' command has not the option '--stdin' in all systems (eg.
+	 * Debian), this method uses the 'chpasswd' command.
 	 */
-	static public String getAclData (String filePathName) throws Exception
+	static public void setPassword(final String login, final String newPassword) throws Exception
 	{
-		String result;
-
-		result = AclManager.getAclData(filePathName);
-
-		//
-		return(result);
-	}
-
-	
-	/**
-	 *
-	 */
-	static public String[] getAclUsers (String filePathName) throws Exception
-	{
-		String[] result;
-
-		Acl acl = AclManager.getAcl(filePathName);
-		
-		result = acl.currentAcl().getUserIds();
-		
-		//
-		return(result);
-	}
-		
-	
-	/**
-	 *
-	 */
-	static public void appendToFile (String text, String path) throws Exception
-	{
-		if ((text == null) || (text.length() == 0) ||
-			(path == null) || (path.length() == 0))
+		if ((login == null) || (login.length() == 0))
 		{
-			throw new Exception ("Parameter undefined: [" + text + "][" + path + "].");
+			throw new Exception("Login parameter undefined.");
+		}
+		else if (newPassword == null)
+		{
+			throw new Exception("New password parameter undefined.");
 		}
 		else
 		{
 			try
 			{
-				CmdExec.run (SUDO, "bash", "-c", "echo \"" + text + "\" >> " + path);
+				logger.info("Password setting for [" + login + "].");
+				CmdExec.run(SUDO, "bash", "-c", "echo \"" + login + ":" + newPassword + "\"| chpasswd ");
+				logger.info("Password set for [" + login + "].");
 			}
 			catch (Exception exception)
 			{
-				throw new Exception ("Error detected appending text to file [" + path + "].", exception);
+				throw new Exception("Error detected on setting of the new password for [" + login + "].", exception);
 			}
 		}
 	}
 
-	
 	/**
-	 *
+	 * chfn [ -f full-name ] [ username ]
 	 */
-	static public void link (String sourcePath, String targetPath) throws Exception
+	static public void setRealName(final String login, final String newRealName) throws Exception
 	{
-		logger.info("[" + sourcePath + "][" + targetPath + "]");
-		if ((sourcePath == null) || (sourcePath.length() == 0) ||
-			(targetPath == null) || (targetPath.length() == 0))
+		if ((login == null) || (login.length() == 0))
 		{
-			throw new Exception ("Parameter undefined: [" + sourcePath + "][" + targetPath + "].");
+			throw new Exception("Login parameter undefined.");
+		}
+		else if (newRealName == null)
+		{
+			throw new Exception("New real name parameter undefined.");
 		}
 		else
 		{
-			File sourceFile = new File (sourcePath);
-			File targetFile = new File (targetPath);
-			
-			if (!sourceFile.exists())
+			try
 			{
-				throw new Exception ("Source does not exist: [" + sourcePath + "].");
+				logger.info("Real name changing for user [" + login + "].");
+				CmdExec.run(SUDO, "chfn", "-f", newRealName, login);
+				EtcPasswdFile.instance().update();
+				logger.info("Real name changed for user [" + login + "].");
 			}
-			else if ((targetFile.exists()) && (!targetFile.isDirectory()))
+			catch (Exception exception)
 			{
-				throw new Exception ("Target already exists: [" + targetPath + "].");
-			}
-			else
-			{
-				try
-				{
-					CmdExec.run (SUDO, "ln", "-s", sourcePath, targetPath);
-				}
-				catch (Exception exception)
-				{
-					throw new Exception ("Error detected linking [" + sourcePath + "][" + targetPath + "].", exception);
-				}
+				throw new Exception("Error detected on setting of the new real name for [" + login + "].", exception);
 			}
 		}
 	}
-	
-	
+
 	/**
 	 *
 	 */
-	static public void unlink (String filePathName) throws Exception
+	static public void unlink(final String filePathName) throws Exception
 	{
 		logger.info("[" + filePathName + "]");
 		if (filePathName == null)
 		{
-			throw new Exception ("Parameter undefined: [" + filePathName + "].");
+			throw new Exception("Parameter undefined: [" + filePathName + "].");
 		}
 		else
 		{
 			new File(filePathName).delete();
 		}
 	}
-	
-	
-	/**
-	 * 
-	 */
-	static public void clearAclUser (String login, String filePathName) throws Exception
-	{
-		AclManager.clearUser(login, filePathName);
-	}
-
-	
-	/**
-	 * 
-	 */
-	static public void clearAclGroup (String group, String filePathName) throws Exception
-	{
-		AclManager.clearGroup(group, filePathName);
-	}
-
-	
-	/**
-	 * 
-	 */
-	static public void clearAcl (String id, String filePathName) throws Exception
-	{
-		AclManager.clearId(id, filePathName);
-	}
 }
 
 // ////////////////////////////////////////////////////////////////////////
\ No newline at end of file