BSD operating systems include FreeBSD, NetBSD, OpenBSD, DragonFly BSD and more. Their kernel is based on the BSD 4.4 kernel.
"NT based" operating systems is a term that is hardly used any more and has lost much of its meaning. Basically, Windows NT, Windows 2000 Professional/Server and to a much lesser extend, newer versions of Windows Server, XP, Vista and 7 are at least somewhat based on NT. NT operating systems were for servers and business purposes, while Windows 95, 98 and ME were for casual home use and gaming.
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PC-BSD was created in 2006.
MirOS BSD was created on 2002-10-11.
DragonFly BSD was created on 2004-07-12.
It uses iOS based on BSD kernel. Latest version is 4.2.1
The symbol for BSD Medical Corporation in NASDAQ is: BSDM.
It is possible to use BSD software on Unix systems. It is possible but many do not and they use other softwares on Unix systems beside the BSD software.
Linux is a Unix-like system. This means that it is inspired or influenced by Unix in some shape or form (Linux started off from Minix), but it is not directly derived from Unix. However, BSD is based on Unix, and macOS is indirectly Unix-based because of its mixed heritage with BSD.
A BSD socket is basically an early version of a POSIX socket. It is used to connect a Unix system to the internet.
NetBSD is a free, open-source, unix like, multi-platform operating system descended from Berkeley Software Distribution (BSD) and based on 4.4BSD Lite.
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As of July 2014, the market cap for BSD Medical Corporation (BSDM) is $31,751,367.20.