There are two application cleanup filesystem manager that you should install in ubuntu. the application is Gconf Cleaner and Cruft. The both application is already available in the ubuntu software center.
The following little description of both the application and how to install and use both applications in ubuntu
GConf Cleaner is app with simple graphic user interface that allows ubuntu users to delete obsolete and unused entries stored in the Gconf database. careful when using GConf-Cleaner because it may remove some useful GNOME entries.
To install it under Ubuntu 11.10/11.04, running command below in terminal:
sudo apt-get install gconf-cleaner
or you also can install gconf-cleaner via ubuntu software center, in the search box type “gconf-cleaner“
to use gconf-cleaner, press Alt+F2 then type “gconf-cleaner” then follow the wizard
Cruft is a app command-line based that allows user to scan system for inappropriate files and entries by taking into account what resides in the dpkg database. It will remove orphaned files left during installation/removal of packages.
To install Cruft under Ubuntu 11.10/11.04, run the following command in terminal:
sudo apt-get install cruft
run cruft in terminal, by type following command
need more cruft options type :