hai, i tried the other way of executing the c program also.but i didnot get any change.(ie i didnot get any error display) Some of my doubts: 1.Can create a c file using vi editor? is their any different way it should be saved? 2.CAn i reinstall gcc compiler? 3.how should one if audio is working in Linux?can we play .mp3 files using xmacs? nithya ________________________________________________________________________ Yahoo! India Careers: Over 65,000 jobs online Go to: http://yahoo.naukri.com/ -- GLUGOT = GNU/Linux User Group Of TCE visit: http://www.glugot.tk / (TCE students, check TCENet for GLUGOT website)