Comparing and Contrasting BSD/OS and NetBSD
LiquidPC writes: ""Even though BSD/OS and NetBSD operating systems have been mostly developed by different developers with some different goals over the past nine years, they share many similarities due to their near identitical open source origins and the open source software that complements the systems" Read the article comparing and contrasting NetBSD and BSD/OS at BSDNewsLetter.com."
BSD/OS is not OpenBSD.
BSD/OS is the commercial version of BSD, whereas Net|Open|FreeBSD are open source version of BSD.