Here's everything from all the folks who gave me ideas or tidbits. Thank you folks!
* First with a USB stack * First with TCP Auto tuning (Linux's autotune is based on NetBSD's strategy, Windows Vista also came later and used the same technique) * First with Free ports to Alpha, HPPA, and MIPS * First with an 802.11 stack, net80211. * First with the extensible 802.11 radio-information header, radiotap. * First to get C++11 on VAX * First to get rumpkernel architecture and reuse kernel code as a library. * Among the first free operating systems to use CVS shortly after it's debut. * Among the first to support the Xen hypervisor * Possibly the first, and definitely among the first free OS's to support the AMD64 processor architecture * Among the most popular open source operating systems in Japan -Swift
