
ÂÂ XMPP: Extensible Messaging and Presence Protocol (XMPP) is an open
Mac OS X Server’s UNIX Heritage
Mac OS X Server has a UNIX foundation built around the Mach microkernel and the latest advances from the Berkeley Software Distribution (BSD) open source community. This foundation provides Mac OS X Server with a stable,
Mac OS X Server is built on an open source operating system called Darwin, which is part of the BSD family of
100 open source projects in addition to proprietary enhancements and extended functionality created by Apple.
The BSD portion of the Mac OS X kernel is derived primarily from FreeBSD, a version of 4.4BSD that offers advanced networking, performance, security, and compatibility features.
In general, BSD variants are derived (sometimes indirectly) from
Although the BSD portion of Mac OS X is primarily derived from FreeBSD, some changes have been made. To find out more about the
Chapter 1 System Overview and Supported Standards
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