*. Rename files and folders using its simple GUI.
*. Case change: to UPPERCASE, to lowercase or Only The First Letter.
*. Delete or replace text case sensitive or regular expressions, etc.
*. Multiple language support.
Although in the past GNU/Linux users had to do this using command-line tools (yuk :P)... but thanks to the GTK-Perl written GPRename, now the process is much more easier. If you use Ubuntu (11.04, 10.10 or 10.04) you can install it by entering the below command it your Terminal.
sudo apt-get install gprenameThat's it!.