ppmd software package provides fast archiver program with good compression ratio, 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 ppmd
ppmd is installed in your system.
Make ensure the ppmd package were installed using the commands given below,
$ sudo dpkg-query -l | grep ppmd *
You will get with ppmd package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Utilities |
| Package | ppmd |
| Version | 10.1-5 |
| Description | fast archiver program with good compression ratio |
| Sub Section | Utils |