quite complicated and sometimes confusing if we install it offline programs in linux but sometimes keribetan installation of complicated software that is sometimes also makes for a really exciting want to learn linux. but for who do not want to bother you can mengistall software center like the one on ubuntu because it's backtrack 5 is a derivative of ubuntu 10.04 or lucid.
with your software mengistall center
installation program you will rarely use the terminal because there is an easier way. must pass from the terminal. but to install the software you still need a center terminal.
The following software installation to center
root @ bt: # apt-get install software-center
press Y when there is a command
After this operation, 29.9MB of additional disk space will from be used. Do you want to continue [Y / n]?
wait until the installation is complete
and seilahkan you check in applications