BSD kernels almost as a rule tend not to be portable between LIBC(s) and/or userlands. The Linux kernel is more used, faster, more portable. The BSDs had a maj

BSD kernels almost as a rule tend not to be portable between LIBC(s) and/or userlands. The Linux kernel is more used, faster, more portable. The BSDs had a major head start on Linux 20-25 years ago but they just sat back became lazy & laughed at Linux, while Linux ate their lunch.