To play rm and all types of video files in debian and to listen music from raaga com To play .rm (Real Media) Files in debian you need to install w32codecs. You can get these codecs by adding the following repository to /etc/apt/sources.list file. For etch (stable) alpha, amd64, hppa, i386, ia64, powerpc and sparc packages add deb http://www.debian-multimedia.org etch main or deb http://www.debian-multimedia.org stable main For lenny (testing) alpha, amd64, hppa, i386, ia64, powerpc and sparc packages add deb http://www.debian-multimedia.org lenny main or deb http://www.debian-multimedia.org testing main For sid (unstable) alpha, amd64, hppa, i386, ia64, powerpc and sparc packages add deb http://www.debian-multimedia.org sid main Depending on your system configuration add any one of the above lines to /etc/apt/sources.list file. to edit this go to command line and type :~$su (Enter password here.) #gedit /etc/apt/sources.list A text editor containing the file sources.list will...