perlrdf software package provides RDF command line utils, 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 perlrdf
perlrdf is installed in your system.
Make ensure the perlrdf package were installed using the commands given below,
$ sudo dpkg-query -l | grep perlrdf *
You will get with perlrdf package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | perlrdf |
| Version | 0.004-3 |
| Description | RDF command line utils |
| Sub Section | Perl |