.classpath

@@ -2,21 +2,20 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="test"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
-		<attributes>
-			<attribute name="module" value="true"/>
-			<attribute name="owner.project.facets" value="java"/>
-		</attributes>
-	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
 	<classpathentry kind="lib" path="lib/Logs/log4j-1.2.17.jar" sourcepath="lib/Logs/log4j-1.2.17-source.zip"/>
 	<classpathentry kind="lib" path="lib/UnitTesting/hamcrest-core-1.3.jar" sourcepath="lib/UnitTesting/hamcrest-core-1.3-sources.jar"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="owner.project.facets" value="java"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="lib" path="lib/Logs/slf4j-api-1.7.25.jar" sourcepath="lib/Logs/slf4j-api-1.7.25-sources.jar"/>
 	<classpathentry kind="lib" path="lib/Logs/slf4j-log4j12-1.7.25.jar" sourcepath="lib/Logs/slf4j-log4j12-1.7.25-sources.jar"/>
 	<classpathentry kind="lib" path="lib/UnitTesting/junit-4.12.jar" sourcepath="lib/Logs/log4j-1.2.17-source.zip"/>
-	<classpathentry kind="lib" path="lib/commons-io-2.11.0.jar" sourcepath="lib/commons-io-2.11.0-sources.jar"/>
+	<classpathentry kind="lib" path="lib/commons-io-2.6.jar" sourcepath="lib/commons-io-2.6-sources.jar"/>
-	<classpathentry kind="lib" path="lib/commons-lang3-3.12.0.jar" sourcepath="lib/commons-lang3-3.12.0-sources.jar"/>
+	<classpathentry kind="lib" path="lib/commons-lang3-3.7.jar" sourcepath="lib/commons-lang3-3.7-sources.jar"/>
-	<classpathentry kind="lib" path="lib/devinsy-cmdexec-0.17.0.jar" sourcepath="lib/devinsy-cmdexec-0.17.0-sources.zip"/>
+	<classpathentry kind="lib" path="lib/devinsy-cmdexec-0.8.1.jar" sourcepath="lib/devinsy-cmdexec-0.8.1-sources.zip"/>
-	<classpathentry kind="lib" path="lib/devinsy-strings-0.17.0.jar" sourcepath="lib/devinsy-strings-0.17.0-sources.zip"/>
+	<classpathentry kind="lib" path="lib/devinsy-strings-0.8.2.jar" sourcepath="lib/devinsy-strings-0.8.2-sources.zip"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

.settings/org.eclipse.jdt.core.prefs

@@ -10,20 +10,16 @@ org.eclipse.jdt.core.codeComplete.staticFieldSuffixes=
 org.eclipse.jdt.core.codeComplete.staticFinalFieldPrefixes=
 org.eclipse.jdt.core.codeComplete.staticFinalFieldSuffixes=
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
-org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.source=1.8
-org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=17
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
-org.eclipse.jdt.core.formatter.alignment_for_additive_operator=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_enum_constant=16
@@ -31,20 +27,17 @@ org.eclipse.jdt.core.formatter.alignment_for_arguments_in_explicit_constructor_c
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_method_invocation=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_qualified_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_assignment=0
-org.eclipse.jdt.core.formatter.alignment_for_bitwise_operator=16
+org.eclipse.jdt.core.formatter.alignment_for_binary_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_compact_if=16
 org.eclipse.jdt.core.formatter.alignment_for_conditional_expression=80
 org.eclipse.jdt.core.formatter.alignment_for_enum_constants=49
 org.eclipse.jdt.core.formatter.alignment_for_expressions_in_array_initializer=16
-org.eclipse.jdt.core.formatter.alignment_for_logical_operator=16
 org.eclipse.jdt.core.formatter.alignment_for_method_declaration=0
 org.eclipse.jdt.core.formatter.alignment_for_multiple_fields=16
-org.eclipse.jdt.core.formatter.alignment_for_multiplicative_operator=16
 org.eclipse.jdt.core.formatter.alignment_for_parameters_in_constructor_declaration=16
 org.eclipse.jdt.core.formatter.alignment_for_parameters_in_method_declaration=16
 org.eclipse.jdt.core.formatter.alignment_for_resources_in_try=80
 org.eclipse.jdt.core.formatter.alignment_for_selector_in_method_invocation=16
-org.eclipse.jdt.core.formatter.alignment_for_string_concatenation=16
 org.eclipse.jdt.core.formatter.alignment_for_superclass_in_type_declaration=16
 org.eclipse.jdt.core.formatter.alignment_for_superinterfaces_in_enum_declaration=16
 org.eclipse.jdt.core.formatter.alignment_for_superinterfaces_in_type_declaration=16
@@ -128,12 +121,11 @@ org.eclipse.jdt.core.formatter.insert_new_line_in_empty_enum_constant=insert
 org.eclipse.jdt.core.formatter.insert_new_line_in_empty_enum_declaration=insert
 org.eclipse.jdt.core.formatter.insert_new_line_in_empty_method_body=insert
 org.eclipse.jdt.core.formatter.insert_new_line_in_empty_type_declaration=insert
-org.eclipse.jdt.core.formatter.insert_space_after_additive_operator=insert
 org.eclipse.jdt.core.formatter.insert_space_after_and_in_type_parameter=insert
 org.eclipse.jdt.core.formatter.insert_space_after_assignment_operator=insert
 org.eclipse.jdt.core.formatter.insert_space_after_at_in_annotation=do not insert
 org.eclipse.jdt.core.formatter.insert_space_after_at_in_annotation_type_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_space_after_bitwise_operator=insert
+org.eclipse.jdt.core.formatter.insert_space_after_binary_operator=insert
 org.eclipse.jdt.core.formatter.insert_space_after_closing_angle_bracket_in_type_arguments=insert
 org.eclipse.jdt.core.formatter.insert_space_after_closing_angle_bracket_in_type_parameters=insert
 org.eclipse.jdt.core.formatter.insert_space_after_closing_brace_in_block=insert
@@ -163,8 +155,6 @@ org.eclipse.jdt.core.formatter.insert_space_after_comma_in_superinterfaces=inser
 org.eclipse.jdt.core.formatter.insert_space_after_comma_in_type_arguments=insert
 org.eclipse.jdt.core.formatter.insert_space_after_comma_in_type_parameters=insert
 org.eclipse.jdt.core.formatter.insert_space_after_ellipsis=insert
-org.eclipse.jdt.core.formatter.insert_space_after_logical_operator=insert
-org.eclipse.jdt.core.formatter.insert_space_after_multiplicative_operator=insert
 org.eclipse.jdt.core.formatter.insert_space_after_opening_angle_bracket_in_parameterized_type_reference=do not insert
 org.eclipse.jdt.core.formatter.insert_space_after_opening_angle_bracket_in_type_arguments=do not insert
 org.eclipse.jdt.core.formatter.insert_space_after_opening_angle_bracket_in_type_parameters=do not insert
@@ -189,17 +179,13 @@ org.eclipse.jdt.core.formatter.insert_space_after_postfix_operator=do not insert
 org.eclipse.jdt.core.formatter.insert_space_after_prefix_operator=do not insert
 org.eclipse.jdt.core.formatter.insert_space_after_question_in_conditional=insert
 org.eclipse.jdt.core.formatter.insert_space_after_question_in_wildcard=do not insert
-org.eclipse.jdt.core.formatter.insert_space_after_relational_operator=insert
 org.eclipse.jdt.core.formatter.insert_space_after_semicolon_in_for=insert
 org.eclipse.jdt.core.formatter.insert_space_after_semicolon_in_try_resources=insert
-org.eclipse.jdt.core.formatter.insert_space_after_shift_operator=insert
-org.eclipse.jdt.core.formatter.insert_space_after_string_concatenation=insert
 org.eclipse.jdt.core.formatter.insert_space_after_unary_operator=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_additive_operator=insert
 org.eclipse.jdt.core.formatter.insert_space_before_and_in_type_parameter=insert
 org.eclipse.jdt.core.formatter.insert_space_before_assignment_operator=insert
 org.eclipse.jdt.core.formatter.insert_space_before_at_in_annotation_type_declaration=insert
-org.eclipse.jdt.core.formatter.insert_space_before_bitwise_operator=insert
+org.eclipse.jdt.core.formatter.insert_space_before_binary_operator=insert
 org.eclipse.jdt.core.formatter.insert_space_before_closing_angle_bracket_in_parameterized_type_reference=do not insert
 org.eclipse.jdt.core.formatter.insert_space_before_closing_angle_bracket_in_type_arguments=do not insert
 org.eclipse.jdt.core.formatter.insert_space_before_closing_angle_bracket_in_type_parameters=do not insert
@@ -246,8 +232,6 @@ org.eclipse.jdt.core.formatter.insert_space_before_comma_in_superinterfaces=do n
 org.eclipse.jdt.core.formatter.insert_space_before_comma_in_type_arguments=do not insert
 org.eclipse.jdt.core.formatter.insert_space_before_comma_in_type_parameters=do not insert
 org.eclipse.jdt.core.formatter.insert_space_before_ellipsis=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_logical_operator=insert
-org.eclipse.jdt.core.formatter.insert_space_before_multiplicative_operator=insert
 org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_parameterized_type_reference=do not insert
 org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_arguments=do not insert
 org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_parameters=do not insert
@@ -284,12 +268,9 @@ org.eclipse.jdt.core.formatter.insert_space_before_postfix_operator=do not inser
 org.eclipse.jdt.core.formatter.insert_space_before_prefix_operator=do not insert
 org.eclipse.jdt.core.formatter.insert_space_before_question_in_conditional=insert
 org.eclipse.jdt.core.formatter.insert_space_before_question_in_wildcard=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_relational_operator=insert
 org.eclipse.jdt.core.formatter.insert_space_before_semicolon=do not insert
 org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_for=do not insert
 org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_try_resources=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_shift_operator=insert
-org.eclipse.jdt.core.formatter.insert_space_before_string_concatenation=insert
 org.eclipse.jdt.core.formatter.insert_space_before_unary_operator=do not insert
 org.eclipse.jdt.core.formatter.insert_space_between_brackets_in_array_type_reference=do not insert
 org.eclipse.jdt.core.formatter.insert_space_between_empty_braces_in_array_initializer=do not insert
@@ -315,10 +296,6 @@ org.eclipse.jdt.core.formatter.tabulation.char=tab
 org.eclipse.jdt.core.formatter.tabulation.size=4
 org.eclipse.jdt.core.formatter.use_on_off_tags=false
 org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false
-org.eclipse.jdt.core.formatter.wrap_before_additive_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_binary_operator=true
-org.eclipse.jdt.core.formatter.wrap_before_bitwise_operator=true
-org.eclipse.jdt.core.formatter.wrap_before_logical_operator=true
-org.eclipse.jdt.core.formatter.wrap_before_multiplicative_operator=true
 org.eclipse.jdt.core.formatter.wrap_before_or_operator_multicatch=true
-org.eclipse.jdt.core.formatter.wrap_before_string_concatenation=true
 org.eclipse.jdt.core.formatter.wrap_outer_expressions_when_nested=true

.settings/org.eclipse.wst.common.project.facet.core.xml

@@ -3,5 +3,5 @@
   <fixed facet="jst.java"/>
   <fixed facet="jst.utility"/>
   <installed facet="jst.utility" version="1.0"/>
-  <installed facet="jst.java" version="17"/>
+  <installed facet="jst.java" version="1.8"/>
 </faceted-project>

README.md

@@ -11,8 +11,8 @@ This software is released under the GNU LGPL.
 
 ## Requirements
 
-- Java 11
+- Java 1.6
-- Eclipse 4.16 (202006).
+- Eclipse Kepler 
 
 ## Context
 Several useful Java classes.

build.num

@@ -1,3 +1,3 @@
 #Build Number for ANT. Do not edit!
-#Thu Oct 14 18:12:14 CEST 2021
+#Thu May 04 22:58:25 CEST 2017
-build.number=1
+build.number=0

build.properties

@@ -1,3 +1,3 @@
 product.name=devinsy-unix
 product.revision.major=0
-product.revision.minor=17
+product.revision.minor=8

src/fr/devinsy/unix/EtcGroupFile.java

@@ -144,8 +144,10 @@ public class EtcGroupFile extends ChangeableFile
 		return result;
 	}
 
-	/* (non-Javadoc)
+	/**
-	 * @see fr.devinsy.unix.util.ChangeableFile#refresh()
+	 * This method returns the updated groups.
+	 * 
+	 * @return the groups
 	 */
 	@Override
 	public void refresh()

src/fr/devinsy/unix/EtcGroupFileReader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2021 Christian Pierre MOMON
+ * Copyright (C) 2006-2010,2013-2014,2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -65,7 +65,7 @@ public class EtcGroupFileReader
 					Group group = new Group();
 					group.setName(tokens[0]);
 					group.setPassword(tokens[1]);
-					group.setGid(Integer.valueOf(tokens[2]).intValue());
+					group.setGid((new Integer(tokens[2])).intValue());
 
 					// Manage the case of empty shell.
 					if (tokens.length == 4)
@@ -105,3 +105,5 @@ public class EtcGroupFileReader
 		return result;
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/EtcPasswdFile.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2021 Christian Pierre MOMON
+ * Copyright (C) 2006-2010,2013-2014,2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -18,10 +18,15 @@
  */
 package fr.devinsy.unix;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import fr.devinsy.unix.util.ChangeableFile;
 
 /**
  * The Class EtcPasswdFile.
+ * 
+ * @author Christian Pierre MOMON (christian.momon@devinsy.fr)
  */
 public class EtcPasswdFile extends ChangeableFile
 {
@@ -31,6 +36,8 @@ public class EtcPasswdFile extends ChangeableFile
 		private static final EtcPasswdFile instance = new EtcPasswdFile();
 	}
 
+	private static final Logger logger = LoggerFactory.getLogger(EtcPasswdFile.class);
+
 	private Users users;
 
 	/**
@@ -99,8 +106,10 @@ public class EtcPasswdFile extends ChangeableFile
 		return result;
 	}
 
-	/* (non-Javadoc)
+	/**
-	 * @see fr.devinsy.unix.util.ChangeableFile#refresh()
+	 * Updated users.
+	 * 
+	 * @return the users
 	 */
 	@Override
 	public void refresh()
@@ -143,3 +152,5 @@ public class EtcPasswdFile extends ChangeableFile
 		return result;
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/EtcPasswdFileReader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2021 Christian Pierre MOMON
+ * Copyright (C) 2006-2010,2013-2014,2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -28,6 +28,7 @@ import org.slf4j.LoggerFactory;
 /**
  * The Class EtcPasswdFileReader.
  * 
+ * @author Christian Pierre MOMON (christian.momon@devinsy.fr)
  */
 public class EtcPasswdFileReader
 {
@@ -65,8 +66,8 @@ public class EtcPasswdFileReader
 					User user = new User();
 					user.setLogin(tokens[0]);
 					user.setPassword(tokens[1]);
-					user.setUid(Integer.valueOf(tokens[2]).intValue());
+					user.setUid((new Integer(tokens[2])).intValue());
-					user.setGid(Integer.valueOf(tokens[3]).intValue());
+					user.setGid((new Integer(tokens[3])).intValue());
 					user.setRealName(tokens[4]);
 					user.setHomeDirectory(tokens[5]);
 
@@ -108,3 +109,5 @@ public class EtcPasswdFileReader
 		return result;
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/Group.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2021 Christian Pierre MOMON
+ * Copyright (C) 2006-2010,2013-2014,2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -23,6 +23,7 @@ import java.util.Vector;
 /**
  * The Class Group.
  * 
+ * @author Christian Pierre MOMON (christian.momon@devinsy.fr)
  */
 public class Group
 {
@@ -88,9 +89,7 @@ public class Group
 	}
 
 	/**
-	 * Gets the members.
 	 *
-	 * @return the members
 	 */
 	public Vector<String> getMembers()
 	{
@@ -103,9 +102,7 @@ public class Group
 	}
 
 	/**
-	 * Gets the name.
 	 *
-	 * @return the name
 	 */
 	public String getName()
 	{
@@ -118,9 +115,7 @@ public class Group
 	}
 
 	/**
-	 * Gets the password.
 	 *
-	 * @return the password
 	 */
 	public String getPassword()
 	{
@@ -133,9 +128,7 @@ public class Group
 	}
 
 	/**
-	 * Gid.
 	 *
-	 * @return the int
 	 */
 	public int gid()
 	{
@@ -148,9 +141,7 @@ public class Group
 	}
 
 	/**
-	 * Members.
 	 *
-	 * @return the vector
 	 */
 	public Vector<String> members()
 	{
@@ -163,9 +154,7 @@ public class Group
 	}
 
 	/**
-	 * Name.
 	 *
-	 * @return the string
 	 */
 	public String name()
 	{
@@ -178,9 +167,7 @@ public class Group
 	}
 
 	/**
-	 * Passwd.
 	 *
-	 * @return the string
 	 */
 	public String passwd()
 	{
@@ -193,10 +180,7 @@ public class Group
 	}
 
 	/**
-	 * Sets the gid.
 	 *
-	 * @param gid
-	 *            the new gid
 	 */
 	public void setGid(final int gid)
 	{
@@ -204,10 +188,7 @@ public class Group
 	}
 
 	/**
-	 * Sets the name.
 	 *
-	 * @param name
-	 *            the new name
 	 */
 	public void setName(final String name)
 	{
@@ -215,10 +196,7 @@ public class Group
 	}
 
 	/**
-	 * Sets the passwd.
 	 *
-	 * @param password
-	 *            the new passwd
 	 */
 	public void setPasswd(final String password)
 	{
@@ -226,10 +204,7 @@ public class Group
 	}
 
 	/**
-	 * Sets the password.
 	 *
-	 * @param password
-	 *            the new password
 	 */
 	public void setPassword(final String password)
 	{
@@ -250,3 +225,5 @@ public class Group
 		return result;
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/Groups.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2021 Christian Pierre MOMON
+ * Copyright (C) 2006-2010,2013-2014,2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -24,9 +24,11 @@ import java.util.Vector;
 /**
  * The Class Groups.
  * 
+ * @author Christian Pierre MOMON (christian.momon@devinsy.fr)
  */
 public class Groups extends Vector<Group>
 {
+
 	private static final long serialVersionUID = 5802487312198869603L;
 
 	// static private final Logger logger =
@@ -89,11 +91,7 @@ public class Groups extends Vector<Group>
 	}
 
 	/**
-	 * Gets the by gid.
 	 *
-	 * @param gid
-	 *            the gid
-	 * @return the by gid
 	 */
 	public Group getByGid(final int gid)
 	{
@@ -252,3 +250,5 @@ public class Groups extends Vector<Group>
 		return result;
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/Unix.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2021 Christian Pierre MOMON
+ * Copyright (C) 2006-2010,2013-2015,2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -35,6 +35,7 @@ import fr.devinsy.unix.acl.AclManager;
 /**
  * The Class Unix.
  * 
+ * @author Christian Pierre MOMON (christian.momon@devinsy.fr)
  */
 public class Unix
 {
@@ -50,8 +51,8 @@ public class Unix
 	 *            the text
 	 * @param path
 	 *            the path
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void appendToFile(final String text, final String path) throws UnixException
 	{
@@ -98,15 +99,6 @@ public class Unix
 		return result;
 	}
 
-	/**
-	 * Bash.
-	 *
-	 * @param command
-	 *            the command
-	 * @return the string
-	 * @throws CmdExecException
-	 *             the cmd exec exception
-	 */
 	public static String bash(final String... command) throws CmdExecException
 	{
 		String result;
@@ -126,13 +118,13 @@ public class Unix
 
 	/**
 	 * Chmod.
-	 *
+	 * 
 	 * @param changes
 	 *            the changes
 	 * @param path
 	 *            the path
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void chmod(final String changes, final String path) throws UnixException
 	{
@@ -160,13 +152,13 @@ public class Unix
 
 	/**
 	 * Clear acl.
-	 *
+	 * 
 	 * @param id
 	 *            the id
 	 * @param filePathName
 	 *            the file path name
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void clearAcl(final String id, final String filePathName) throws UnixException
 	{
@@ -175,13 +167,13 @@ public class Unix
 
 	/**
 	 * Clear acl group.
-	 *
+	 * 
 	 * @param group
 	 *            the group
 	 * @param filePathName
 	 *            the file path name
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void clearAclGroup(final String group, final String filePathName) throws UnixException
 	{
@@ -190,13 +182,13 @@ public class Unix
 
 	/**
 	 * Clear acl user.
-	 *
+	 * 
 	 * @param login
 	 *            the login
 	 * @param filePathName
 	 *            the file path name
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void clearAclUser(final String login, final String filePathName) throws UnixException
 	{
@@ -205,11 +197,11 @@ public class Unix
 
 	/**
 	 * Creates the user account.
-	 *
+	 * 
 	 * @param login
 	 *            the login
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void createUserAccount(final String login) throws UnixException
 	{
@@ -225,13 +217,13 @@ public class Unix
 
 	/**
 	 * Creates the user account.
-	 *
+	 * 
 	 * @param login
 	 *            the login
 	 * @param name
 	 *            the name
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void createUserAccount(final String login, final String name) throws UnixException
 	{
@@ -251,15 +243,15 @@ public class Unix
 
 	/**
 	 * Creates the user account.
-	 *
+	 * 
 	 * @param login
 	 *            the login
 	 * @param name
 	 *            the name
 	 * @param home
 	 *            the home
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void createUserAccount(final String login, final String name, final String home) throws UnixException
 	{
@@ -294,7 +286,7 @@ public class Unix
 
 	/**
 	 * Creates the user account.
-	 *
+	 * 
 	 * @param login
 	 *            the login
 	 * @param name
@@ -303,8 +295,8 @@ public class Unix
 	 *            the home
 	 * @param password
 	 *            the password
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void createUserAccount(final String login, final String name, final String home, final String password) throws UnixException
 	{
@@ -325,11 +317,11 @@ public class Unix
 
 	/**
 	 * Delete group.
-	 *
+	 * 
 	 * @param group
 	 *            the group
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void deleteGroup(final String group) throws UnixException
 	{
@@ -354,12 +346,7 @@ public class Unix
 	}
 
 	/**
-	 * Delete user account.
 	 *
-	 * @param login
-	 *            the login
-	 * @throws UnixException
-	 *             the unix exception
 	 */
 	public static void deleteUserAccount(final String login) throws UnixException
 	{
@@ -411,12 +398,12 @@ public class Unix
 
 	/**
 	 * Gets the acl data.
-	 *
+	 * 
 	 * @param filePathName
 	 *            the file path name
 	 * @return the acl data
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static String getAclData(final String filePathName) throws UnixException
 	{
@@ -430,12 +417,12 @@ public class Unix
 
 	/**
 	 * Gets the acl users.
-	 *
+	 * 
 	 * @param filePathName
 	 *            the file path name
 	 * @return the acl users
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static String[] getAclUsers(final String filePathName) throws UnixException
 	{
@@ -485,13 +472,13 @@ public class Unix
 
 	/**
 	 * Link.
-	 *
+	 * 
 	 * @param sourcePath
 	 *            the source path
 	 * @param targetPath
 	 *            the target path
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void link(final String sourcePath, final String targetPath) throws UnixException
 	{
@@ -530,15 +517,15 @@ public class Unix
 
 	/**
 	 * Modify login.
-	 *
+	 * 
 	 * @param sourceLogin
 	 *            the source login
 	 * @param targetLogin
 	 *            the target login
 	 * @param sourceHomeDirectory
 	 *            the source home directory
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void modifyLogin(final String sourceLogin, final String targetLogin, final String sourceHomeDirectory) throws UnixException
 	{
@@ -609,13 +596,13 @@ public class Unix
 
 	/**
 	 * Recursive chmod.
-	 *
+	 * 
 	 * @param changes
 	 *            the changes
 	 * @param path
 	 *            the path
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void recursiveChmod(final String changes, final String path) throws UnixException
 	{
@@ -738,17 +725,17 @@ public class Unix
 
 	/**
 	 * Sets the facl.
-	 *
+	 * 
 	 * @param args
 	 *            the new facl
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static void setfacl(final String... args) throws UnixException
 	{
 		try
 		{
-			String[] command = ArrayUtils.insert(0, args, "setfacl");
+			String[] command = ArrayUtils.add(args, 0, "setfacl");
 			sudo(command);
 		}
 		catch (CmdExecException exception)
@@ -758,8 +745,8 @@ public class Unix
 	}
 
 	/**
-	 * As 'passwd' command has not the option '--stdin' in all systems (eg.
+	 * As 'passwd' command has not the option '--stdin' in all systems (eg. Debian),
-	 * Debian), this method uses the 'chpasswd' command.
+	 * this method uses the 'chpasswd' command.
 	 * 
 	 * @param login
 	 *            the login
@@ -795,13 +782,12 @@ public class Unix
 
 	/**
 	 * chfn [ -f full-name ] [ username ].
-	 *
+	 * 
 	 * @param login
 	 *            the login
 	 * @param newRealName
 	 *            the new real name
 	 * @throws UnixException
-	 *             the unix exception
 	 */
 	public static void setRealName(final String login, final String newRealName) throws UnixException
 	{
@@ -868,7 +854,7 @@ public class Unix
 
 		if (SystemUtils.IS_OS_UNIX)
 		{
-			String[] newCommand = ArrayUtils.insert(0, command, SUDO);
+			String[] newCommand = ArrayUtils.add(command, 0, SUDO);
 			result = CmdExecUtils.run(newCommand);
 		}
 		else
@@ -959,3 +945,5 @@ public class Unix
 		}
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/User.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2021 Christian Pierre MOMON
+ * Copyright (C) 2006-2010,2013-2014,2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -21,6 +21,7 @@ package fr.devinsy.unix;
 /**
  * The Class User.
  * 
+ * @author Christian Pierre MOMON (christian.momon@devinsy.fr)
  */
 public class User
 {
@@ -408,3 +409,5 @@ public class User
 		return result;
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/Users.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2021 Christian Pierre MOMON
+ * Copyright (C) 2006-2010,2013-2014,2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -24,6 +24,7 @@ import java.util.Vector;
 /**
  * The Class Users.
  * 
+ * @author Christian Pierre MOMON (christian.momon@devinsy.fr)
  */
 public class Users extends Vector<User>
 {
@@ -40,12 +41,8 @@ public class Users extends Vector<User>
 		super();
 	}
 
-	/**
+	/* (non-Javadoc)
-	 * Adds the all.
+	 * @see java.util.Vector#addAll(java.util.Collection)
-	 *
-	 * @param source
-	 *            the source
-	 * @return true, if successful
 	 */
 	public boolean addAll(final Users source)
 	{
@@ -215,3 +212,5 @@ public class Users extends Vector<User>
 		return result;
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/acl/AclManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2021 Christian Pierre MOMON
+ * Copyright (C) 2010,2013-2015,2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -113,12 +113,11 @@ public class AclManager
 
 	/**
 	 * Gets the acl.
-	 *
+	 * 
 	 * @param filePathName
 	 *            the file path name
 	 * @return the acl
 	 * @throws UnixException
-	 *             the unix exception
 	 */
 	public static Acl getAcl(final String filePathName) throws UnixException
 	{
@@ -216,12 +215,10 @@ public class AclManager
 
 	/**
 	 * Gets the ACL data.
-	 *
+	 * 
 	 * @param filePathName
 	 *            the file path name
 	 * @return the acl data
-	 * @throws UnixException
-	 *             the unix exception
 	 */
 	public static String getAclData(final String filePathName) throws UnixException
 	{
@@ -291,7 +288,7 @@ public class AclManager
 
 	/**
 	 * Checks if is used.
-	 *
+	 * 
 	 * @param type
 	 *            the type
 	 * @param id
@@ -302,7 +299,8 @@ public class AclManager
 	 *            the depth
 	 * @return true, if is used
 	 * @throws UnixException
-	 *             the unix exception
+	 * @throws Exception
+	 *             the exception
 	 */
 	public static boolean isUsed(final AclEntry.Type type, final String id, final String filePathName, final int depth) throws UnixException
 	{
@@ -343,7 +341,7 @@ public class AclManager
 
 	/**
 	 * Checks if is used.
-	 *
+	 * 
 	 * @param type
 	 *            the type
 	 * @param id
@@ -356,7 +354,6 @@ public class AclManager
 	 *            the depth
 	 * @return true, if is used
 	 * @throws UnixException
-	 *             the unix exception
 	 */
 	public static boolean isUsed(final AclEntry.Type type, final String id, final String filePath, final String[] filePathNames, final int depth) throws UnixException
 	{
@@ -414,7 +411,7 @@ public class AclManager
 
 	/**
 	 * Checks if is used.
-	 *
+	 * 
 	 * @param id
 	 *            the id
 	 * @param filePathName
@@ -422,8 +419,8 @@ public class AclManager
 	 * @param depth
 	 *            the depth
 	 * @return true, if is used
-	 * @throws UnixException
+	 * @throws Exception
-	 *             the unix exception
+	 *             the exception
 	 */
 	public static boolean isUsed(final String id, final String filePathName, final int depth) throws UnixException
 	{
@@ -464,7 +461,7 @@ public class AclManager
 
 	/**
 	 * Checks if is used.
-	 *
+	 * 
 	 * @param id
 	 *            the id
 	 * @param filePathNames
@@ -473,7 +470,6 @@ public class AclManager
 	 *            the depth
 	 * @return true, if is used
 	 * @throws UnixException
-	 *             the unix exception
 	 */
 	public static boolean isUsed(final String id, final String[] filePathNames, final int depth) throws UnixException
 	{
@@ -520,7 +516,7 @@ public class AclManager
 	{
 		try
 		{
-			String[] newArgs = ArrayUtils.insert(0, args, "setfacl");
+			String[] newArgs = ArrayUtils.add(args, 0, "setfacl");
 			Unix.sudo(newArgs);
 		}
 		catch (CmdExecException exception)
@@ -529,3 +525,5 @@ public class AclManager
 		}
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/linux/Linux.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017-2021 Christian Pierre MOMON
+ * Copyright (C) 2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -20,7 +20,6 @@ package fr.devinsy.unix.linux;
 
 import java.io.File;
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -36,6 +35,7 @@ import fr.devinsy.unix.util.PropertyList;
 /**
  * The Class Linux.
  * 
+ * @author Christian Pierre MOMON (christian.momon@devinsy.fr)
  */
 public class Linux
 {
@@ -207,7 +207,6 @@ public class Linux
 	 * 
 	 * @return the string
 	 * @throws IOException
-	 *             Signals that an I/O exception has occurred.
 	 */
 	public static String readProcCpuinfo0() throws IOException
 	{
@@ -237,7 +236,7 @@ public class Linux
 	{
 		String result;
 
-		result = FileUtils.readFileToString(new File("/proc/cpuinfo"), StandardCharsets.UTF_8);
+		result = FileUtils.readFileToString(new File("/proc/cpuinfo"));
 
 		//
 		return result;
@@ -254,7 +253,7 @@ public class Linux
 	{
 		String result;
 
-		result = FileUtils.readFileToString(new File("/proc/meminfo"), StandardCharsets.UTF_8);
+		result = FileUtils.readFileToString(new File("/proc/meminfo"));
 
 		//
 		return result;
@@ -265,13 +264,12 @@ public class Linux
 	 * 
 	 * @return the string
 	 * @throws IOException
-	 *             Signals that an I/O exception has occurred.
 	 */
 	public static String readProcUptimeFile() throws IOException
 	{
 		String result;
 
-		result = FileUtils.readFileToString(new File("/proc/uptime"), StandardCharsets.UTF_8);
+		result = FileUtils.readFileToString(new File("/proc/uptime"));
 
 		//
 		return result;
@@ -288,7 +286,7 @@ public class Linux
 	{
 		String result;
 
-		result = FileUtils.readFileToString(new File("/proc/version"), StandardCharsets.UTF_8);
+		result = FileUtils.readFileToString(new File("/proc/version"));
 
 		//
 		return result;
@@ -311,16 +309,16 @@ public class Linux
 
 			if (debianFile.exists())
 			{
-				result = "Debian " + FileUtils.readFileToString(debianFile, StandardCharsets.UTF_8);
+				result = "Debian " + FileUtils.readFileToString(debianFile);
 			}
 			else if (redhatFile.exists())
 			{
-				result = FileUtils.readFileToString(redhatFile, StandardCharsets.UTF_8);
+				result = FileUtils.readFileToString(redhatFile);
 			}
 			else if (suseFile.exists())
 			{
 				// TODO
-				result = "SUSE " + FileUtils.readFileToString(debianFile, StandardCharsets.UTF_8);
+				result = "SUSE " + FileUtils.readFileToString(debianFile);
 			}
 			else
 			{
@@ -338,3 +336,5 @@ public class Linux
 		return result;
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/util/ChangeableFile.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2021 Christian Pierre MOMON
+ * Copyright (C) 2006-2010,2013-2014,2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -20,11 +20,19 @@ package fr.devinsy.unix.util;
 
 import java.io.File;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 /**
- * The Class ChangeableFile.
+ * The Class CachedFile.
+ * 
+ * @author Christian Pierre MOMON <christian.momon@devinsy.fr>
  */
+
 public class ChangeableFile
 {
+	private static final Logger logger = LoggerFactory.getLogger(ChangeableFile.class);
+
 	private File sourceFile;
 	private long sourceTime;
 
@@ -111,3 +119,5 @@ public class ChangeableFile
 		this.sourceTime = 0;
 	}
 }
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/unix/util/Property.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017-2021 Christian Pierre MOMON
+ * Copyright (C) 2017-2018 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-unix.
  * 
@@ -28,11 +28,6 @@ public class Property
 
 	/**
 	 * Utility class has not to have a constructor.
-	 *
-	 * @param name
-	 *            the name
-	 * @param value
-	 *            the value
 	 */
 	public Property(final String name, final String value)
 	{
@@ -40,43 +35,21 @@ public class Property
 		this.value = value;
 	}
 
-	/**
-	 * Gets the name.
-	 *
-	 * @return the name
-	 */
 	public String getName()
 	{
 		return this.name;
 	}
 
-	/**
-	 * Gets the value.
-	 *
-	 * @return the value
-	 */
 	public String getValue()
 	{
 		return this.value;
 	}
 
-	/**
-	 * Sets the name.
-	 *
-	 * @param name
-	 *            the new name
-	 */
 	public void setName(final String name)
 	{
 		this.name = name;
 	}
 
-	/**
-	 * Sets the value.
-	 *
-	 * @param value
-	 *            the new value
-	 */
 	public void setValue(final String value)
 	{
 		this.value = value;