Beyond simply deleting files, BleachBit includes advanced features such as shredding files to prevent recovery, wiping free disk space to hide traces of files deleted by other applications, and vacuuming Firefox to make it faster.
What is new in BleachBit 0.8.2
The following changes have been made since 0.8.1:
* Securely wipe filenames when deleting individual files and directories
* More securely wipe filenames when wiping free disk space
* Expand and fix vacuuming Google Chrome 7
* Specific to Linux bonus pack (separate download)
o Fix bonus pack not installing on Ubuntu 10.10
o Clean Xfce xfrun4 command history (thanks to nodiscc)
o Clean Battle for Wesnoth (thanks to Thibault Févry)
* Specific to Windows
o Fix bug starting on Windows XP with language set to non-English
o Delete form history in Internet Explorer 7 and 8
o Delete user assist history: it is included in Windows Explorer -- Most Recently Used.
o Clean WinZip (thanks to Jack Williams)
o Clean TortoiseSVN (thanks to Jack Williams )
* Specific to web
o New documentation: Shred files and wipe disks
Install bleachbit 0.8.2 in ubuntu 10.10/10.04
Download deb package from here once you have deb packages you can install them by double clicking on it.