python-nltk software package provides Python libraries for natural language processing, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install python-nltk
python-nltk is installed in your system.
Make ensure the python-nltk package were installed using the commands given below,
$ sudo dpkg-query -l | grep python-nltk *
You will get with python-nltk package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Python |
| Package | python-nltk |
| Version | 2.0~b9-0ubuntu4 |
| Description | Python libraries for natural language processing |
| Sub Section | Python |