Index: JyConsole.java
===================================================================
--- JyConsole.java	(revision 1)
+++ JyConsole.java	(working copy)
@@ -49,6 +49,7 @@
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Event;
+import java.awt.Font;
 import java.awt.Point;
 import java.awt.event.ComponentEvent;
 import java.awt.event.ComponentListener;
@@ -203,6 +204,25 @@
         // add ui in panel
         scroll = new JScrollPane(uiContent);
         add(scroll, BorderLayout.CENTER);
+
+        
+        
+        Font font = Utils.font;
+        cmdUI.setFont(font);
+        cmdLineUI.setFont(font);
+        archiveUI.setFont(font);
+        Utils.setTabWidth(archiveUI);
+
+        StyleConstants.setFontSize(
+        		cmdUI.getStyle(STYLE_NORMAL), Utils.FONT_SIZE);
+        StyleConstants.setFontSize(
+        		cmdModel.getStyle(STYLE_NORMAL), Utils.FONT_SIZE);
+        StyleConstants.setFontSize(
+        		archiveUI.getStyle(STYLE_NORMAL), Utils.FONT_SIZE);
+        StyleConstants.setFontSize(
+        		archiveModel.getStyle(STYLE_NORMAL), Utils.FONT_SIZE);
+
+        
         // Init pref
         preference = new Hashtable();
         if (System.getProperty(PREF_SCRIPT_DIR) != null) {
@@ -544,6 +564,11 @@
         setColorToStyle(STYLE_NORMAL, fg);
     }
+    public void setFontSizeToStyle(String styleName, int fontsize) {
+        StyleConstants.setFontSize(archiveModel.getStyle(styleName), fontsize);
+        StyleConstants.setFontSize(cmdModel.getStyle(styleName), fontsize);
+    }
+
     public void setColorToStyle(String styleName, Color fg) {
         StyleConstants.setForeground(archiveModel.getStyle(styleName), fg);
         StyleConstants.setForeground(cmdModel.getStyle(styleName), fg);
Index: ui/Prompt.java
===================================================================
--- ui/Prompt.java	(revision 1)
+++ ui/Prompt.java	(working copy)
@@ -23,6 +23,7 @@
 package com.artenum.jyconsole.ui;
 import java.awt.Color;
+import java.awt.Font;
 import java.awt.event.ComponentEvent;
 import java.awt.event.ComponentListener;
@@ -37,21 +38,26 @@
 import javax.swing.JPanel;
 import javax.swing.JTextPane;
+import com.artenum.jyconsole.Utils;
+
 /**
  * @author Sebastien Jourdain, jourdain@artenum.com
  */
 public class Prompt extends JPanel implements ComponentListener {
-    private final static String l1 = ">>> ";
+    private final static String l1 = ">>> ";
     private final static String ln = "<br>… ";
     private JTextPane txtCmd;
-    private JLabel label;
+    private JLabel label = new JLabel();
     public Prompt(JTextPane txtCmd) {
         setOpaque(true);
-        label = new JLabel();
         label.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
         showNLines(1);
         this.txtCmd = txtCmd;
+        label.setFont(Utils.font);
+        txtCmd.setFont(Utils.font);
+        Utils.setTabWidth(txtCmd);
+
         txtCmd.addComponentListener(this);
         setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
         add(label);
Index: Utils.java
===================================================================
--- Utils.java	(revision 0)
+++ Utils.java	(revision 0)
@@ -0,0 +1,36 @@
+package com.artenum.jyconsole;
+
+import java.awt.Font;
+import java.awt.FontMetrics;
+
+import javax.swing.JTextPane;
+import javax.swing.text.SimpleAttributeSet;
+import javax.swing.text.StyleConstants;
+import javax.swing.text.TabSet;
+import javax.swing.text.TabStop;
+
+/**
+ * ad-hoc utility class to modify JyConsole's 
+ * font size and tab width
+ * @author NISHIO Hirokazu
+ *
+ */
+public class Utils {
+	public static final int FONT_SIZE = 40;
+	public static final Font font = new Font("Monospaced", 0 , FONT_SIZE);
+
+	public static void setTabWidth(JTextPane textpane) {
+        FontMetrics fm = textpane.getFontMetrics(textpane.getFont());
+        int charWidth = fm.charWidth('m');
+        int tabLength = charWidth * 4;
+        TabStop"resourceLink" href="/projects/jyconsole/wishList/Font_size_tab_size_etc">Font size, tab size, etc tabs = new TabStop"resourceLink" href="/projects/jyconsole/wishList/Font_size_tab_size_etc/10">"error">! 10 !;
+        for(int j=0;j<tabs.length;j++) {
+          tabs"resourceLink" href="/projects/jyconsole/wishList/Font_size_tab_size_etc/j">"error">! j ! = new TabStop((j+1)*tabLength);
+        }
+        TabSet tabSet = new TabSet(tabs);
+        SimpleAttributeSet attrs = new SimpleAttributeSet();
+        StyleConstants.setTabSet(attrs, tabSet);
+        int l = textpane.getDocument().getLength();
+        textpane.getStyledDocument().setParagraphAttributes(0, l, attrs, false);		
+	}
+}