Date: Thu, 2 Oct 2003 08:46:30 -0500 From: David J Ducshcher <daved@nostrum.com> To: Lucas Holt <luke@foolishgames.com> Cc: Todd Stephens <tbstep@tampabay.rr.com> Subject: Re: FreeBSD vs. RedHat Message-ID: <D3AAD19B-F4DE-11D7-AB55-000A956E58AC@nostrum.com> In-Reply-To: <EDA52CBA-F4D5-11D7-BCBC-0030656DD690@foolishgames.com>
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On Thursday, October 2, 2003, at 07:42 AM, Lucas Holt wrote: > >> Let me give acknowledgment to Greg Lehey ahead of time for this as >> this >> bit that follows comes from _The Complete FreeBSD_. >> >> ".. by the mid-80s, there were four different versions of UNIX: the >> Research Version ... the Berkeley Software Distribution ... System V >> ... and XENIX, " >> >> Sorry for omitting parts, but the overall idea of the passage remains >> intact. >> >> I believe, and someone correct me here, that BSD was a modification of >> the /original/ UNIX code which existed prior to Sys V in 1983, >> indicating that BSD and Sys V are different branches from the same >> trunk. The history is rather confusing though, so I expect to be >> wrong >> on this. >> >> -- >> Todd Stephens >> > > You are right through the 80s. In the 90s, the System V code had to > be pulled from most of the kernel. The NetBSD and FreeBSD projects > started with the BSD 386 code, and had to redo their distro as a > result of a lawsuit to the BSD 4.4 lite code. That code had several > files removed as part of the lawsuit settlement. I'd guess that only > SCO products, Solaris, AIX, and (if you believe SCO) Linux 2.4 has > System V code in them now. Of course I mean solaris 2.x+, since 1.x > was based on BSD code. Here is nice simple picture that seems to explain the history of unix fairly well. :) http://www.levenez.com/unix/history.html DaveD
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