hi there... type gcc -o run prog1.c run is your executable file and prog1.c is your source file you can use the option -c to compile for object file hope it's help jason "Jacobo Espino" <[EMAIL PROTECTED]> wrote: Hi! I try to do 3 diferents programs in gcc, the which most to be exist comunication between that 3 programs, that comunication can be numbers, words, etc... I´m a new user in gcc, so i need ideas to do these programs, someone can help me? Jacobo. _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. Share information about yourself, create your own public profile at http://profiles.msn.com. ____________________________________________________________________ Get free email and a permanent address at http://www.netaddress.com/?N=1