pxz software package provides parallel LZMA compressor using liblzma, 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 pxz
pxz is installed in your system.
Make ensure the pxz package were installed using the commands given below,
$ sudo dpkg-query -l | grep pxz *
You will get with pxz package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Miscellaneous |
| Package | pxz |
| Version | 4.999.99~beta3+git659fc9b-1 |
| Description | parallel LZMA compressor using liblzma |
| Sub Section | misc |