BleachBit is a small application it will help you to delete the unnecessary in your disk. It is available for both linux and windows.
Follow the step by step instruction to install and run Bleach Bit in UBUNTU.
1) First you need to download the Bleach Bit. Click here to reach the download page. Then choose the file as per your OS.
2)After downloading .deb file place it on your desktop and double click it. Now the package installer window will open.

Click the Install Package button.
3)After that select Applications > System Tools > BleachBit As Administrator (if “System Tools” was not there then read this post to activate it)
4)Now BeachBit application will open. And number applications will be listed in the right column. From that select the applications as per your need.

5)Select Preview option at the top so that you can view number of unwanted files in your system. (optional)

6)After that select Delete option. Delete Confirmation windows will ask you to confirm your action. Click Delete to proceed.

7)Thats it all the unnecessary files will be start getting deleted.

