Whats are the problems caused by licences that are not free?

I am a so great fan of computer that I have tears in my eyes and I'm a seriously curious guy wanting to know , this are the motives of I post this topic. I've been reading a lot on the BSD license and GPL license. Second the position of OpenBSD, source code published under version 2 of the

Re: Whats are the problems caused by licences that are not free?

> I am a so great fan of computer that I have tears in my eyes and I'm a > seriously curious guy wanting to know , this are the motives of I post this > topic. I've been reading a lot on the BSD > license and GPL license. > > Second the position of OpenBSD, source code published under version 2