// LAST UPDATE: Mon Jun  9 19:40:00 GMT 2008

// Copyright (c) 2005-2008 Jean-Baptiste Campesato
//                         David J. du Colombier
// This file is licensed under "Creative Commons Attribution 3.0 Unported" license.

// This diagram is meant to be SIMPLE, not complete. It may be really imprecise.
// See unix_diagram.dot for a very more complete diagram.

digraph unix
{
        size="8,14";

        {
		node [shape=plaintext,fontsize=20,fontname="VeraBI"];
		"1969" ->
		"1971" ->
		"1972" ->
		"1973" ->
		"1974" ->
		"1975" ->
		"1978" ->
		"1979" ->
		"1980" ->
		"1981" ->
		"1982" ->
		"1983" ->
		"1985" ->
		"1986" ->
		"1987" ->
		"1988" ->
		"1989" ->
		"1990" ->
		"1991" ->
		"1992" ->
		"1993" ->
		"1994" ->
		"1995" ->
		"1996" ->
		"1998" ->
		"2000" ->
		"2004" ->
		"2005" ->
		"2007" ->
		"2008";
        }
 
        {
        edge [style=invis];
        1973.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1973.02 [style=invis,height=0.1,width=0.0,fontsize=2];
        1974.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1973.00 ->
        1973.02 ->
        1974.00;
        }
        { rank=same; "1973"; "1973.00"; }
        { rank=same; "1974"; "1974.00"; }
 
        {
        edge [style=invis];
        1979.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1979.02 [style=invis,height=0.1,width=0.0,fontsize=2];
        1980.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1979.00 ->
        1979.02 ->
        1980.00;
        }
        { rank=same; "1979"; "1979.00"; }
        { rank=same; "1980"; "1980.00"; }
 
        {
        edge [style=invis];
        1982.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1982.02 [style=invis,height=0.1,width=0.0,fontsize=2];
        1983.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1982.00 ->
        1982.02 ->
        1983.00;
        }
        { rank=same; "1982"; "1982.00"; }
        { rank=same; "1983"; "1983.00"; }
 
        {
        edge [style=invis];
        1986.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1986.02 [style=invis,height=0.1,width=0.0,fontsize=2];
        1987.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1986.00 ->
        1986.02 ->
        1987.00;
        }
        { rank=same; "1986"; "1986.00"; }
        { rank=same; "1987"; "1987.00"; }
 
        {
        edge [style=invis];
        1992.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1992.02 [style=invis,height=0.1,width=0.0,fontsize=2];
        1992.00 ->
        1992.02 ->
        1993.00;
        }
        { rank=same; "1992"; "1992.00"; }
 
        {
        edge [style=invis];
        1993.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1993.02 [style=invis,height=0.1,width=0.0,fontsize=2];
        1993.00 ->
        1993.02 ->
        1994.00;
        }
        { rank=same; "1993"; "1993.00"; }
 
        {
        edge [style=invis];
        1994.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1994.02 [style=invis,height=0.1,width=0.0,fontsize=2];
        1995.00 [style=invis,height=0.1,width=0.0,fontsize=2];
        1994.00 ->
        1994.02 ->
        1995.00;
        }
        { rank=same; "1994"; "1994.00"; }
        { rank=same; "1995"; "1995.00"; }
 
        {rank=max; 2008}
 
        {
        node [shape=ellipse, style=filled, color=lightblue,fontsize=22, fontname="l048013t"];
        "Ken's New System" -> "Unix Time-Sharing System 1" -> "Unix Time-Sharing System 2" -> "Unix Time-Sharing System 3" ->  "Unix Time-Sharing System 4" -> "Unix Time-Sharing System 5" -> "Unix Time-Sharing System 6";
        "Unix Time-Sharing System 4" -> "PWB/UNIX" -> "UNIX System III" -> "UNIX System V" -> "UNIX System V\nRelease 4" -> "UnixWare 1.0" -> "UnixWare 7.1.4";
        "Unix Time-Sharing System 6" -> "1BSD";
        "Unix Time-Sharing System 6" -> "Unix Time-Sharing System 7" -> "Unix 32V" -> "UNIX System III";
        "Unix 32V" -> "3BSD";
        "2BSD" -> "3BSD";
        "4.1cBSD" -> "Unix Time-Sharing System 8" -> "Unix Time-Sharing System 9" -> "Unix Time-Sharing System 10";
        "Unix 32V" -> "Unix Time-Sharing System 8";
        "UNIX System V" -> "Unix Time-Sharing System 8";
        "1BSD" -> "2BSD" -> "2.79BSD" -> "2.11BSD Patch 335" -> "2.11BSD Patch 431";
        "3BSD" -> "4.1BSD" -> "4.1cBSD" -> "4.3BSD" -> "4.3BSD Tahoe" -> "4.3BSD Reno" -> "4.4BSD-Lite" -> "4.4BSD-Lite\nRelease 2" -> "FreeBSD 3.0";
        "4.4BSD-Lite\nRelease 2" -> "2.11BSD Patch 335";
        "4.4BSD-Lite\nRelease 2" -> "OpenBSD 2.3";
        "4.4BSD-Lite\nRelease 2" -> "NetBSD 1.3";
        "4.3BSD" -> "Unix Time-Sharing System 9";
        "4.3BSD Reno" -> "BSD Net/2";
        "BSD Net/2" -> "BSD/386 0.3.1";
        "BSD Net/2" -> "386BSD 0.0" -> "386BSD 0.1" -> "386BSD 1.0";
        "BSD Net/2" -> "NetBSD 0.8";
        "386BSD 0.1" -> "NetBSD 0.8" -> "NetBSD 1.0";
        "4.4BSD-Lite" -> "NetBSD 1.0" -> "NetBSD 1.1" -> "NetBSD 1.3"  -> "NetBSD 4.0";
        "4.4BSD-Lite" -> "FreeBSD 2.0";
        "NetBSD 1.1" -> "OpenBSD 2.0" -> "OpenBSD 2.3" -> "OpenBSD 4.2";
        "386BSD 0.1" -> "FreeBSD 1.0" -> "FreeBSD 2.0" -> "FreeBSD 3.0" -> "FreeBSD 7.0";
        "4.3BSD Tahoe" -> "4.3BSD-Quasijarus0c";
        "4.1BSD" -> "SunOS 1.0" -> "SunOS 3.2" -> "SunOS 4.1.4";
        "SunOS 3.2" -> "UNIX System V\nRelease 4";
        "UNIX System V\nRelease 4" -> "Solaris 2" -> "Solaris 10";
        "Minix 1.1" -> "Minix 3.1.2a";
        "GNU Project" -> "GNU Project\nLinux";
        "Linux 0.0.1" -> "GNU Project\nLinux"  -> "GNU Project\nLinux 2.6.24";
        }
 
        {rank=same; "1969"; "Ken's New System";}
        {rank=same; "1971"; "Unix Time-Sharing System 1";}
        {rank=same; "1972"; "Unix Time-Sharing System 2";}
        {rank=same; "1973"; "Unix Time-Sharing System 3";}
        {rank=same; "1973.02"; "Unix Time-Sharing System 4";}
        {rank=same; "1974"; "Unix Time-Sharing System 5"; "PWB/UNIX";}
        {rank=same; "1975"; "Unix Time-Sharing System 6";}
        {rank=same; "1978"; "1BSD";}
        {rank=same; "1979"; "Unix Time-Sharing System 7";}
        {rank=same; "1979.02"; "Unix 32V"; "2BSD";}
        {rank=same; "1980"; "2.79BSD"; "3BSD";}
        {rank=same; "1981"; "4.1BSD";}
        {rank=same; "1982"; "UNIX System III"; "SunOS 1.0";}
        {rank=same; "1982.02"; "4.1cBSD";}
        {rank=same; "1983"; "UNIX System V"; "GNU Project";}
        {rank=same; "1985"; "Unix Time-Sharing System 8";}
        {rank=same; "1986"; "4.3BSD";}
        {rank=same; "1986.02"; "Unix Time-Sharing System 9";}
        {rank=same; "1987"; "Minix 1.1";}
        {rank=same; "1988"; "UNIX System V\nRelease 4"; "4.3BSD Tahoe";}
        {rank=same; "1989"; "Unix Time-Sharing System 10";}
        {rank=same; "1990"; "4.3BSD Reno";}
        {rank=same; "1991"; "BSD Net/2"; "Linux 0.0.1"; "Solaris 2"}
        {rank=same; "1992"; "UnixWare 1.0"; "BSD/386 0.3.1"; "386BSD 0.0"; "GNU Project\nLinux"}
        {rank=same; "1992.02"; "386BSD 0.1";}
        {rank=same; "1993"; "NetBSD 0.8";}
        {rank=same; "1993.02"; "FreeBSD 1.0";}
        {rank=same; "1994"; "4.4BSD-Lite"; "386BSD 1.0"; "SunOS 4.1.4";}
        {rank=same; "1994.02"; "NetBSD 1.0";}
        {rank=same; "1995"; "FreeBSD 2.0"; "4.4BSD-Lite\nRelease 2"; "NetBSD 1.1";}
        {rank=same; "1996"; "OpenBSD 2.0"; "2.11BSD Patch 335";}
        {rank=same; "1998"; "NetBSD 1.3"; "FreeBSD 3.0"; "OpenBSD 2.3";}
        {rank=same; "2000"; "2.11BSD Patch 431";}
        {rank=same; "2004"; "UnixWare 7.1.4"; "4.3BSD-Quasijarus0c";}
        {rank=same; "2007"; "NetBSD 4.0"; "OpenBSD 4.2"; "Solaris 10"}
        {rank=same; "2008"; "FreeBSD 7.0"; "GNU Project\nLinux 2.6.24"; "Minix 3.1.2a"}
}

// UnixWare 7 Release 7.1 - 19 March 1999