Hello Scott, before playing nethack : log as root, mcopy a:nethack_3.2.3-3.deb . dpkg -i nethack_3.2.3-3.deb mcopy is an util from the mtools package which allow you to use dos floppies. for help on mtools : man mtools dpkg is the debian package manager. "installer" there is an HOWTO use linux for dos user : from the command prompt type : zless /usr/share/doc/HOWTO/en-txt/DOS-Win-to-Linux-HOWTO.txt.gz it will get you started. welcome to GNU/Linux !