haskell-platform software package provides Standard Haskell libraries and tools, 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 haskell-platform
haskell-platform is installed in your system.
Make ensure the haskell-platform package were installed using the commands given below,
$ sudo dpkg-query -l | grep haskell-platform *
You will get with haskell-platform package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Haskell |
| Package | haskell-platform |
| Version | 2012.1.0.0~debian1 |
| Description | Standard Haskell libraries and tools |
| Sub Section | haskell |