● Free disk space
● Reduce the size of backups and the time to create them by removing unnecessary files
● Maintain privacy
● Improve system performance (by vacuuming the Firefox database, for example)
● Prepare whole disk images for compression (common for "ghost" backups and virtual machines) by wiping free disk space
List of cleaners available in BleachBit includes Adobe Reader, OpenOffice.org, Google Earth, Bash, Firefox, VLC media player etc.
$ apt-cache search BleachBit
$ sudo apt-get install bleachbit
$ sudo bleachbit
Go to Dashboard and open Screenshot:
If you are running BleachBit by clicking icon on dashboard, then select the root-mode based.
Tip: In Ubuntu: if bleach bit is not showing Folders/Files on Desktop for Shredding with root access. Then, click and select " show hidden files" now select File System to root directory then home then user directory then try to open Desktop it should work: