Most of the 100.000.000 lines of code in Linux are drivers, or support for architectures that you have never seen.
Yes, the core is bigger than OpenBSD's. It's also more scalable and generally has higher performance. It's got nothing to do with backwards compatibility.
Yes, the core is bigger than OpenBSD's. It's also more scalable and generally has higher performance. It's got nothing to do with backwards compatibility.