Hi All, Here I already ported the source code to gcc from diab compiler by using cygwin environment on Microsoft Windows XP [Version 5.1.2600]. Now the requirement for me is to port this code on Linux in particular SUSE linux.actually my need is to simulate the code on model. we need to port it in compatible to 64bit. is it possible to port a 32 bit source code on GNU/linux(i686 machine processor)? I am beginner in linux!please help me. thanks in advance Thanks & Regards, Syam Prasad N