Installation of SL Fun in linux

SL:
    When you fail to type ls, you can take breath by this program. It is just
an fun to type the command by moving the graphical window.
Package:
                        sl.tar
Installation Steps:
                % wget http://www.tkl.iis.u-tokyo.ac.jp/~toyoda/sl/sl.tar
                % tar xvf sl.tar
                % cd sl
                % make
                # mv sl /usr/local/bin/
Command:
         sl
While sl.txt what ever the picture is there is must to be move here and there.
It is just fun only.