The installed version of Backtrack 3 is missing some files which are needed to use slapt-get and the gslapt gui front-end package managers.
Once they have all been downloaded to your home directory, issue these commands to install each package one by one.
Once you have installed all of them you should be able to use slapt-get, so start by updating the package cache and then upgrade the system:
You are now ready to install whatever you need from the repos. I’ll talk about the different repositories in another post. Poople who are accustomed to Debian’s 18,000 packages seem to believe that Slackware doesn’t have access to all those lovely applications. Wrong! There are are loads of repos and Slackware package builds of practically every major/known software applications, including Desktop Environments. But i’ll save that for later.