This cleaning program help you free up disk space quickly and tirelessly guard your privacy data. Cleans up the cache, cookies, internet history, and shared temporary files, delete logs, and dispose garbage that you did not known was there.
sudo apt-get install bleachbit
Windows users can download it from Bleachbit home page.
Bleachbit Ubuntu is the same, 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
Clean hard drive, Clean up disk, Keep It Clean!