(4 Red hat linux (http://www.redHat.com) (5)OpenLinux (http://www.caldera.com (6 Turbolinux (http://www.turbolinux.com) (7)redFlag(http://www.redflag linux. com)• ( 4 ) Red Hat Linux (http://www.Red Hat.com ) • ( 5 )OpenLinux (http://www.caldera.com ) • ( 6 )TurboLinux (http://www.turbolinux.com ) • ( 7 )Red Flag (http://www.redflaglinux.com )