bleachbit software package provides delete unnecessary files from the system, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install bleachbit
bleachbit is installed in your system.
Make ensure the bleachbit package were installed using the commands given below,
$ sudo dpkg-query -l | grep bleachbit *
You will get with bleachbit package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Administration Utilities |
| Package | bleachbit |
| Version | 1.10-1 |
| Description | delete unnecessary files from the system |
| Sub Section | admin |