Keyboard interactions or Keyboard Shortcuts using Selenum Webdriver ?

driver.get("http://seleniumsubbu.blogspot.in/");
String selectalltext = Keys.chord(Keys.CONTROL, "a"); // select all text in techlearn.in home page
driver.findElement(By.linkText("TechLearn.in")).sendKeys(selectalltext);
                      
                                                                 
                                                   {Or }
driver.findElement(By.linkText("http://seleniumsubbu.blogspot.in/")).sendKeys(Keys.CONTROL, "t");
driver.navigate().to("http://seleniumsubbu.blogspot.in/");
driver.findElement(By.linkText("Personal Website")).sendKeys(Keys.CONTROL, "n");
Set<String> window1=driver.getWindowHandles();
Object s[]=window1.toArray();
driver.switchTo().window(s[1].toString());
driver.get("http://seleniumsubbu.blogspot.in/");