I would use Synaptic if you're a beginner (I actually use apt-get but that's been covered above).Open Synaptic and search for the terminal program that you want to update.This page describes how to handle the packages on your system using apt-get and related commands.
As it's currently written, it’s hard to tell exactly what you're asking.See the How to Ask page for help clarifying this question.It'll be usefull for me as well, if you give some more detail, if you can make the question a little bit more clear.One way of finding the name of the binary is to look at what files the package has installed in "/usr/bin". In this Linux system administration tutorial you will learn how to update an Ubuntu Linux Server 16.04 LTS (Xenial Xerus) system with screenshots and instructions.The Ubuntu operating system's next Long Term Support release, version 16.04 (Xenial Xerus), is due to be released on April 21, 2016.Although it hasn't yet been released at the time of this writing, it's already possible to upgrade a 15.10 system to the development version of 16.04.You need NOT to make any changes to this file until and unless you need extra repositories for your setup.Type the following apt-get command: in addition to performing the function of upgrade, also intelligently handles changing dependencies with new versions of packages; apt-get has a “smart” conflict resolution system, and it will attempt to upgrade the most important packages at the expense of less important ones if necessary. The /etc/apt/file contains a list of locations from which to retrieve desired package files. It works like Microsoft or Red Hat update manager i.e.The following steps will guide you through updating an Ubuntu Linux Server 16.04 LTS system.The update process can take some time to complete and some steps may take longer than others.