Linux server(how to save command out put to another file. )

hi all,
i have Q ?
how to save command out put to another file.
Ex: #ps -ef
that particular cmd output i need to save another file.
is it possible ...if possible ..please let me know
And how to save command history in Linux.

df -h >> /oracle/output.log
/oracle -- mount point name
Regards
Asif Kabir

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import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.filechooser.*;
import javax.swing.table.*;
* This class is now JDK 1.6 Dependent, with the addition of the use of the Desktop
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                return;
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                new ProgressDialog(source, csvFile).setVisible(true);
    public boolean fixExtension(File file, String prefExt) {
        String fileName = file.getName();
        String dir = file.getParentFile().getAbsolutePath();
        String ext = null;
        try {
            ext = fileName.substring( fileName.lastIndexOf("."), fileName.length() );
            System.out.println("Original File Extension: " + ext);
        } catch(StringIndexOutOfBoundsException e) {
            ext = null;
        if(ext != null && !ext.equalsIgnoreCase("."+prefExt)) {
            return false;
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        if(ext == null || ext.length() == 0) {
            csvName = fileName + "." + prefExt;
        } else {
            csvName = fileName.substring(0, fileName.lastIndexOf(".") + 1) + prefExt;
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        if(csvCert.exists()) {
            int val = JOptionPane.showConfirmDialog(null, "Replace Existing File?", "File Exists",
                        JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE);
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                obtainFileName();
                cancelOp = true;
                return false;
            } else if(val == JOptionPane.CANCEL_OPTION) {
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                return false;
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            file = new File(dir, csvName);
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                file.createNewFile();
            } catch(IOException ioe) {}
        System.out.println("Exporting as: " + file.getAbsolutePath() );
        return true;
    public void storeTableAsCSV(File target, JTable src) {
        String csvData = topText + "\n\n";
        for(int i = 0; i < src.getModel().getRowCount(); i++) {
            for(int x = 0; x < src.getModel().getColumnCount(); x++) {
                int col = src.convertColumnIndexToView(x);
                String curVal = (String)src.getModel().getValueAt(i,col);
                if(curVal == null) {
                    curVal = "";
                csvData = csvData + removeAnyCommas(curVal) + ",";
                if(isDefault) {
                    if(x == src.getModel().getColumnCount() - 3) {
                        csvData = csvData + "\n";
                        continue;
                } else {
                    if(x == src.getModel().getColumnCount() - 1) {
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        try {
            FileWriter writer = new FileWriter(target);
                writer.write(csvData);
                writer.flush();
                writer.close();
            writer = null;
            csvData = null;
        } catch(IOException ioe) {
            JOptionPane.showMessageDialog(source, "Error Writing File.\nFile may be in use by another application."
            + "\nCheck and try re-exporting", "Export Error", JOptionPane.ERROR_MESSAGE);
    public String removeAnyCommas(String src) {
        if(src == null) {
            return "";
        for(int i = 0; i < src.length(); i++) {
            if(src.charAt(i) == ',') {
                src = src.substring(0,i) + src.substring(i+1, src.length());
        return src;
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        JProgressBar progress;
        JLabel progressLabel;
        javax.swing.Timer timer;
        int rowPoint = -1;
        StringBuffer data;
        JTable srcTable;
        DefaultTableModel srcModel;
        File targetFile;
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            super( new JDialog(), "Exporting", true);
            createUI();
            setLocationRelativeTo(null);
            srcTable = src;
            srcModel = (DefaultTableModel)src.getModel();
            targetFile = target;
            exportDataProgressively();
        public ProgressDialog(JTable src, File target, JProgressBar progress) {
            super();
            srcTable = src;
            srcModel = (DefaultTableModel)src.getModel();
            targetFile = target;
            setProgressBar(progress);
            exportDataProgressively();
        public void createUI() {
            progress = new JProgressBar(0, 100);
            progress.setIndeterminate(true);
            progress.setValue(0);
            progress.setBorder( BorderFactory.createCompoundBorder(
                                    BorderFactory.createEmptyBorder(10,10,10,10),
                                UIManager.getBorder("ProgressBar.border") ) );
            progress.setPreferredSize( new Dimension(300, 38) );
            progressLabel = new JLabel("Writing Excel Format. Please Wait...");
            progressLabel.setFont( new Font("Verdana", Font.PLAIN, 11) );
            progressLabel.setBorder( BorderFactory.createEmptyBorder(10,10,10,10) );
            JPanel progressPanel = new JPanel( new BorderLayout() );
                progressPanel.add(progressLabel, BorderLayout.NORTH );
                progressPanel.add(progress, BorderLayout.CENTER);
                progressPanel.setBorder( BorderFactory.createEmptyBorder(10,10,10,10) );
            setContentPane(progressPanel);
            pack();
        public void exportDataProgressively() {
            //progress.setString("");
            progress.setMaximum(srcModel.getRowCount());
            progress.setIndeterminate(false);
            data = new StringBuffer("Autogenerated Excel Format"
                 + topText + "\n\n");
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                public void actionPerformed(ActionEvent e) {
                    if(rowPoint > -1 && srcModel.getValueAt(rowPoint,0) == null) {
                        timer.stop();
                    progress.setValue(rowPoint);
                    appendData();
            timer.setRepeats(false);
            timer.start();
        public void appendData() {
            timer.stop();
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                int col = srcTable.convertColumnIndexToView(j);
                if(rowPoint == -1) {
                    data.append(removeAnyCommas((String)srcModel.getColumnName(col)).toUpperCase());
                } else if(col != -1){
                    String text = (String)srcModel.getValueAt(rowPoint,col);
                    if(srcModel.getColumnName(col).equalsIgnoreCase("Phone Number(s)") && !isPrintableText(text) ) {
                        text = "\'" + getPrintableText(text);
                    } else if( srcModel.getColumnName(col).equalsIgnoreCase("Phone Number(s)") && isPrintableText(text) ) {
                        text = "\'" + removeAnyCommas(text);
                    } else {
                        text = removeAnyCommas(text);
                    data.append(text);
                if(isDefault) {
                    if(j != srcModel.getColumnCount() - 3 ){
                        data.append(",");
                    } else {
                        data.append("\n");
                        break;
                } else {
                    if(j != srcModel.getColumnCount() - 1 ){
                        data.append(",");
                    } else {
                        data.append("\n");
            rowPoint++;
            if(rowPoint < srcModel.getRowCount()) {
                timer.start();
            } else {
                try {
                    if(!targetFile.exists())
                        targetFile.createNewFile();
                    FileWriter writer = new FileWriter(targetFile);
                        writer.write(data.toString());
                        writer.close();
                        progress.setValue(progress.getMaximum());
                        progress.setStringPainted(true);
                        progress.setString("Done");
                        openFile(targetFile);
                        setVisible(false);
                        data = null;
                } catch(IOException ioe) {
                    JOptionPane.showMessageDialog(source, "Error Writing File. Try Resaving",
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                } catch(Exception exc) {
                    System.out.println(exc);
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            progress = bar;
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        public String getPrintableText(String text) {
            try {
                text = text.substring(2);
            } catch(StringIndexOutOfBoundsException sie) {
                System.out.println(sie);
            String generated = "";
            StringTokenizer st = new StringTokenizer(text, ",");
            try {
                for(int i = 0; st.hasMoreTokens(); i++ ) {
                    if(i > 0) {
                        generated = generated + " / ";
                    String token = st.nextToken();
                    generated = generated + token.substring( token.indexOf("-") + 2 );
            } catch(NoSuchElementException nse) {}
            return generated;
        public void openFile(File file) {
            int val = JOptionPane.showConfirmDialog(null, "Would You Like To View The File Right Now?",
            "View File", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.INFORMATION_MESSAGE);
            try {
                if(val == JOptionPane.YES_OPTION) {
                    if(Desktop.isDesktopSupported()) {
                        Desktop.getDesktop().open(file);
                    } else {
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            } catch(IOException ioe) {
                JOptionPane.showMessageDialog(null, "Failed to Open File", "Error",
                 JOptionPane.ERROR_MESSAGE);
}ICE

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