<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=Big5" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> Paul wrote: <blockquote cite="mid1171205782.3971.69.camel@T7.Linux" type="cite"> <pre wrap="">Hi, </pre> <blockquote type="cite"> <pre wrap="">[root@svr1 ~]# mono --version Mono JIT compiler version 1.1.17.1, (C) 2002-2006 Novell, Inc and Contributors. <a class="moz-txt-link-abbreviated" href="http://www.mono-project.com">www.mono-project.com</a> TLS: __thread GC: Included Boehm (with typed GC) SIGSEGV: normal Disabled: none [root@svr1 ~]# </pre> </blockquote> <pre wrap=""> Okay, why are you running as root? Did an error occur when you compiled the code I posted to this list? If it didn't, try building using gmcs and run - I doubt it'll make a difference, but it's worth a shot. TTFN Paul </pre> </blockquote> Hello Paul, 1, What compile ? 2, How to "building using gmcs and run" ? How to output the result ? 3, How to fix the problem ? Edward. </body> </html>