Hello everybody, I just start programming in Fortran. From my professor I got a fortran-program which he used on a sgi. Now I try to get the program running under linux (debian/woody (g77-3.0)). I have no big problem compiling the sources, but when I start executing it, I get an error like: 'illegal unit number'. I think it is because of a couple large unit numbers. So I tried to fix the 'gcc/libf2c/libI77/fio.h', but I can't find it! Does anybody have an idea where to look? Thanks and Greetings! Fabian P.S. What can I use for 'etime' and 'dtime' under Linux?