bf software package provides a fast Brainfuck interpreter, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install bf
bf is installed in your system.
Make ensure the bf package were installed using the commands given below,
$ sudo dpkg-query -l | grep bf *
You will get with bf package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Development |
| Package | bf |
| Version | 20041219ubuntu4 |
| Description | a fast Brainfuck interpreter |
| Sub Section | devel |