Are you running under Xwindows? Startx, start an xterm, run grass4.1 from there. Good luck. Don Hayward mmldhaywar at aol.com Don Hayward mmldhaywar at aol.com Mote Marine Laboratory, 1600 Thompson Parkway, Sarasota FL 34236 Voice: 813-388-4441 Fax: 813-388-4312 We are an independent, nonprofit marine and estuarine research and education facility.