Question : How to upgrade my firefox in linux?
Note1 :- You can do easily do the upgrade your firefox browser, After doing you may loose your bookmarks, browsing history and firefox plugins,extensions.
Note2 :- Before upgrading your browser better make backup of your bookmarks.
Question : How to backup of bookmarks in firefox.
Click on bookmarks --> Organize Bookmarks (Ctrl+Shift+O) --> Click on Import and Backup --> Select Export Html
The backed-up html file will be stored in your browser specified directory.
Question :- How to install new firefox?
Run the following commands as 'ROOT'
1. Download new firefox.
2. Unzip the downloaded file using following commands.
tar -xjf filename.tar.bz2
3. Backup your old firefox directory to firefox-backup
4. Copy the unzipped firefox directory to /usr/lib/firefox
5. Check the version of browser by firing firefox browser
Help --> About Mozilla Firefox
Now you have upgraded your browser. Happy Browsing.. :-)