On Monday, March 10, 2003, at 02:15 PM, Jeremy Derr wrote: > Jordan Hubbard and the name "BSD" are about the only things that OS X > and FreeBSD have in common. OS X's implementation of BSD is actually > based on NeXTStep. NeXTStep pre-dates FreeBSD by several years. A port > of 4.3BSD to a kernel called Mach happened somewhere around 1986, and > NeXTStep is based on Mach 2.5. OS X's BSD core is, in turn, based on > 4.3BSD through NeXTStep and Mach 2.5. > > FreeBSD comes along much later, though. FreeBSD is an offshoot of > 386BSD (which later became NetBSD), which was in turn based on a > variant of 4.3BSD called NET/2. All of this happened around 1990-1992. > [ SNIP ] > VERY simplified version of the Unix family tree can be found at the > link below. Note that it only goes through 1996 or so. Also, NeXTStep, > the OS upon which OS X is based, is actually two or three steps away > from "true" BSD. > <http://www.ehlis.com/adam/solaris/history.html>
and here's Apple's take on OS X's bsd heritage: <http://developer.apple.com/techpubs/macosx/Darwin/GettingStarted/ PortingUNIX/background/chapter_2_section_3.html> basically: BSD 4.4Lite at the system level, FreeBSD at the library level, with some NetBSD thrown in for flavor. -- The iMac List is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | - Epson Stylus Color 580 Printers - new at $69 | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> iMac List info: <http://lowendmac.com/imac/list.shtml> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/imac-list%40mail.maclaunch.com/> --------------------------------------------------------------- >The Think Different Store http://www.ThinkDifferentStore.com ---------------------------------------------------------------
