Basically as per question. I have the .tar.gz file but I can't seem to install it. I did the whole, './configure', 'make' and 'make install' but it didn't work.
You can install the packages by using the command in a terminal (Press Ctrl-Alt-T to bring it).
sudo apt-get install libreadline6 libreadline6-dev
libreadline is for running applications using
and the package
libreadline-dev is for compiling and building