i'm not advanced enough to use console based OS like slackware, but thnx anyway
Any linux distro can be used from the terminal, even Redhat. Slackware can be run from a gui (kde, gnome, fluxbox, blackbox, etc.) You can choose what to install during the installation. If you have Redhat, then use that. If you are just starting out, I would load everything and play around with the different apps. When you become comfortable, start deleting the apps. that you do not need or want.