This tutorial has as content information on how to install some programs directly from  terminal in Linux Ubuntu without having to use graphical interface.

So, on Ubuntu Linux will just:

--Start the terminal, if you don’t have administrator permissions please you digit:

  Sudo password;

--Now we search the program that we desire install in the computer:

  apt-cache search  your_program;

example

root@pino# apt-cache search Messenger

If the program is present we’ll have a list with a package or some packages.

--Now we istall the package with this command;

apt-get install name_package

example

root@pino# apt-cache install Messenger.

Just as a specialist