Q. How To Install Firefox 3.0 tar.bz2 (firefox-3.0.tar.bz2 file) in Linux?
A. You won't lose any of your bookmarks or browsing history created by Firefox 2.0, but some of your extensions and other add-ons might not work until updates for them are made available.
Backup Existing Firefox 2.0 Settings
Just backup existing Firefox 2.0 settings:
$ mkdir ff.backup/
$ cp -avr .mozilla/ ff.backup/
Installing Firefox 3 on Linux
Just use the following instructions to download and install Firefox.
Download Firefox 3.0 for Linux
Visit official website to grab latest version. You can also use wget command to download firefox.
$ cd /tmp
$ wget 'http://download.mozilla.org/?product=firefox-3.0&os=linux&lang=en-US'
Linux Install Firefox for all users
First close all running old Firefox 2.x sessions. Login as the root and type the following command to move old firefox 2 and install Firefox 3 under Linux:
# cd /opt
# mv firefox firefox.old
# cp /tmp/firefox-3.0.tar.bz2 .
# tar -jxvf firefox-3.0.tar.bz2
To start firefox, enter:
$ /opt/firefox/firefox &