With Regards,Prof. K. R. Khandarkar Lecturer in Computer Department. --- On Wed, 8/18/10, kiran khandarkar <khandar...@yahoo.com> wrote: From: kiran khandarkar <khandar...@yahoo.com> Subject: Segmentation fault in c++ program for tree creation in fedora To: "ns users isi edu" <ns-users@isi.edu> Date: Wednesday, August 18, 2010, 5:00 PM R / All I am creating a tree using c++ program in fedora. i wish to link this file with NS but this program is not executing in fedora with g++. this program compiles but displays an error while execution. Error : " Segmentation fault " in c++ program for tree creation in fedora With Regards, Prof. K. R. Khandarkar Lecturer in Computer Department.