Dear sir, ÃÂ I tried to do the following: 1. egcs half_life.cc -o half_life 2. egcs -v half_life.cc half_life ÃÂ it shows /usr/egcs: /usr/egcs: cannot execute [Exec format error] ÃÂ I was trying to compile a C++ file, what did I do wrong? ÃÂ Sincerely, Roger Hsu ÃÂ ÃÂ ÃÂ ÃÂ