Install Firefox 4 in Ubuntu 10.10, 10.04 and 9.10

At last the wait is over. Mozila Firefox 4 has been released. A one step ahead by the mozila in the world of web and web browsers. Firefox 4 is released with some special features like Super Speed, 3D on the Web, Real World Performance, Crash Protection, Hardware Acceleration, Advanced Security, Powerful Personalization, Awesome Bar, Improved Interface, Tabs on Top, Firefox Button (Windows and Linux), Bookmark Button, Simplified Reload/Stop Button, App Tabs, Switch-to-Tab, Organize your Tabs with Panorama, Smooth Scrolling. If you want to enjoy all these features on your firefox with Ubuntu System then you can Install it by the simple following method. Open Your Terminal Step 1: Add the Firefox 4 repository

$ gksu add-apt-repository ppa:ubuntu-mozilla-daily/ppa

Step 2: Update repository

$ gksu apt-get update

Step 3: Install Firefox4

$ sudo apt-get install firefox-4.0

Congratulations!, Your Firefox4 has been installed now. Now go to the Applications-> Internet-> Minefield 4.0 Web Browser. In time, Mozilla Firefox 4 will automatically update to newer versions, so make sure you update your system regularly. Mozilla Firefox 4 will also be the default web browser in the upcoming Ubuntu 11.04 (Natty Narwhal) operating system.