strict digraph G {
	label="The UNIX system family tree: Research and BSD"
	edge [
	colorscheme="blues3",
	color=blue,
	fontcolor=black
	];
 	node [
	colorscheme="blues3",
	color=lightblue,
	fontcolor=black,
	style=filled
	];

	"multics" -> "unix" -> "First Edition (V1)";
	"multics" [ label="Multics 1965"];
	"unix" [ label="Summer 1969 DEC PDP-7"];
	"First Edition (V1)"	[label="First Edition (V1)\n1971-11-03 DEC PDP-11/20, Assembler"];
	"Second Edition (V2)"	[label="Second Edition (V2)\n1972-06-12 10 UNIX installations"];
	"Third Edition (V3)"	[label="Third Edition (V3)\n1973-02-xx [QCU] Pipes, 16 installations"];
	"qcu-fourth-edition"	[label="Fourth Edition (V4)\n1973-11-xx [QCU] rewriting in C effected, above 30 installations"];
	"qcu-fifth-edition"	[label="Fifth Edition (V5)\n1974-06-xx [QCU] above 50 installations"];
	"Sixth Edition (V6)"	[label="Sixth Edition (V6)\n1975-05-xx [QCU] port to DEC Vax"];
	"qcu-seventh-edition"	[label="Seventh Edition (V7)\n1979-01-xx [QCU]"];
	"qcu-eighth-edition"	[label="Eighth Edition\n1985-02-xx [QCU]"];
	"qcu-ninth-edition"	[label="Ninth Edition\n1986-09-xx [QCU]"];
	"qcu-tenth-edition"	[label="Tenth Edition\n1989-10-xx [QCU]"];

	"First Edition (V1)" -> "Second Edition (V2)" -> "Third Edition (V3)" -> "qcu-fourth-edition" -> "qcu-fifth-edition" -> "Sixth Edition (V6)" -> "qcu-seventh-edition" -> "qcu-eighth-edition" -> "qcu-ninth-edition" -> "qcu-tenth-edition";
	"Sixth Edition (V6)" -> "Seventh Edition (V7)";
	"Sixth Edition (V6)" -> "1BSD";
	"Seventh Edition (V7)" -> "32V";
	"1BSD" -> "2BSD";
	"32V" -> "3BSD";
	"2BSD" -> "3BSD";
	"2BSD" -> "2.79BSD";
	"3BSD" -> "4.0BSD";
	"2.79BSD" -> "2.8BSD";
	"4.0BSD" -> "4.1BSD" -> "4.1aBSD" -> "4.1bBSD" -> "4.1cBSD" -> "4.2BSD" -> "4.3BSD" -> "4.3BSD Tahoe" -> "4.3BSD NET/1" -> "4.3BSD Reno" -> "4.3BSD NET/2"
	"4.1BSD" -> "2.8BSD";
	"4.1cBSD" -> "4.2cBSD";
	"4.1aBSD" -> "2.9BSD";
	"2.9BSD"-> "2.9BSD-Seismo" -> "2.9.1BSD" -> "2.10BSD" -> "2.10.1BSD" -> "2.11BSD" -> "2.11BSD rev #430";
	"4.1cBSD" -> "2.9BSD";
	"4.2BSD" -> "Ninth Edition";
	"4.3BSD" -> "Ninth Edition";
	
	"4.3BSD Tahoe" -> "4.3BSD NET/1" -> "4.3BSD Reno" -> "4.3BSD Net/2";
	"4.3BSD Net/2" -> "386BSD 0.0";
	"4.3BSD Net/2" -> "NetBSD 0.8";
	"4.3BSD Net/2" -> "BSD/386 ALPHA";
	"4.3BSD Net/2" -> "4.4BSD Alpha" -> "4.4BSD" -> "4.4BSD Lite";
	"4.4BSD" -> "4.4BSD-Encumbered";

	"386BSD 0.0" -> "386BSD 0.1" -> "386BSD 1.0";

	"BSD/386 ALPHA" -> "BSD/386 0.3.[13]" -> "BSD/386 0.9.[34]" -> "BSD/386 1.0" -> "BSD/386 1.1" -> "BSD/OS 2.0";

	"FreeBSD 1.0" -> "FreeBSD 1.1" -> "FreeBSD 1.1.5" -> "FreeBSD 1.1.5.1" -> "FreeBSD 2.0" -> "FreeBSD 2.0.5"

	"386BSD 0.1" -> "386BSD 0.1";
	"386BSD 0.1" -> "NetBSD 0.8" -> "NetBSD 0.9" -> "NetBSD 1.0";

	"4.4BSD Lite" -> "BSD/OS 2.0" -> "BSD/OS 2.0.1" -> "BSD/OS 2.1" -> "BSD/OS 2.1" -> "BSD/OS 3.1" -> "BSD/OS 4.0" -> "BSD/OS 4.0.1" -> "BSD/OS 4.1" -> "BSD/OS 4.2" -> "BSD/OS 4.3" -> "BSD/OS 5.0";
	"BSD/OS 2.0.1" -> "4.4BSD Lite2";

	"4.4BSD Lite2" -> "Rhapsody";
	"4.4BSD Lite2" -> "NetBSD 1.3";
	"4.4BSD Lite2" -> "OpenBSD 2.3";
	"4.4BSD Lite2" -> "BSD/OS 3.0";

	"Rhapsody" -> "NetBSD 1.1";

	"FreeBSD 2.0.5" -> "FreeBSD 2.1" -> "FreeBSD 2.1.0";

	"BSD/OS 4.0.1" -> "BSD/OS 4.1" -> "BSD/OS 4.2" -> "BSD/OS 5.0" -> "BSD/OS 5.1 ISE";

	"DragonFly 1.0" -> "DragonFly 1.2.0" -> "DragonFly 1.4.0" -> "DragonFly 1.6.0" -> "DragonFly 1.8.0" -> "DragonFly 1.10.0" -> "DragonFly 1.12.0" -> "DragonFly 2.0.0" -> "DragonFly 2.2.0" -> "DragonFly 2.4.0" -> "DragonFly 2.6.0" -> "DragonFly 2.8.2" -> "DragonFly 2.10.1" -> "DragonFly 3.0.1" -> "DragonFly 3.2.1" -> "DragonFly 3.4.1" -> "DragonFly 3.6.0" -> "DragonFly 3.6.1" -> "DragonFly 3.6.2" -> "DragonFly 3.8.0" -> "DragonFly 3.8.1" -> "DragonFly 3.6.3" -> "DragonFly 3.8.2" -> "DragonFly 4.0.1" -> "DragonFly 4.0.2" -> "DragonFly 4.0.3" -> "DragonFly 4.0.4" -> "DragonFly 4.0.5" -> "DragonFly 4.2.0" -> "DragonFly 4.4.1" -> "DragonFly 4.6.0" -> "DragonFly 4.8.0" -> "DragonFly 5.0.0" -> "DragonFly 5.0.1" -> "DragonFly 5.0.2";

	"OpenBSD 2.0" -> "OpenBSD 2.0" -> "OpenBSD 2.1" -> "OpenBSD 2.2" -> "OpenBSD 2.3" -> "OpenBSD 2.4" -> "OpenBSD 2.5" -> "OpenBSD 2.6" -> "OpenBSD 2.7" -> "OpenBSD 2.8" -> "OpenBSD 2.9" -> "OpenBSD 3.0" -> "OpenBSD 3.1" -> "OpenBSD 3.2" -> "OpenBSD 3.3" -> "OpenBSD 3.4" -> "OpenBSD 3.5" -> "OpenBSD 3.6" -> "OpenBSD 3.7" -> "OpenBSD 3.8" -> "OpenBSD 3.9" -> "OpenBSD 4.0" -> "OpenBSD 4.1" -> "OpenBSD 4.2" -> "OpenBSD 4.3" -> "OpenBSD 4.4" -> "OpenBSD 4.5" -> "OpenBSD 4.6" -> "OpenBSD 4.7" -> "OpenBSD 4.8" -> "OpenBSD 4.9" -> "OpenBSD 5.0" -> "OpenBSD 5.1" -> "OpenBSD 5.2" -> "OpenBSD 5.3" -> "OpenBSD 5.4" -> "OpenBSD 5.5" -> "OpenBSD 5.6" -> "OpenBSD 5.7" -> "OpenBSD 5.8" -> "OpenBSD 5.9" -> "OpenBSD 6.0" -> "OpenBSD 6.1" -> "OpenBSD 6.2";

	"NetBSD 1.1" -> "OpenBSD 2.0";
	"NetBSD 1.1" -> "NetBSD 1.2" -> "NetBSD 1.2.1";
	"NetBSD 1.1" -> "NetBSD 1.2";

	"FreeBSD 4.8" -> "DragonFly 1.0";
	"NetBSD 1.1" -> "NetBSD 1.2" -> "NetBSD 1.3";

	"FreeBSD 1.0" -> "FreeBSD 1.0.2";
	"FreeBSD 2.1.0" -> "FreeBSD 2.2.0";
	"FreeBSD 2.1" -> "FreeBSD 2.1.5" -> "FreeBSD 2.1.6" -> "FreeBSD 2.1.6.1" -> "FreeBSD 2.1.7" -> "FreeBSD 2.1.7.1";
	"FreeBSD 2.1" -> "FreeBSD 2.2";

	"FreeBSD 2.2" -> "FreeBSD 2.2.1" -> "FreeBSD 2.2.2" -> "FreeBSD 2.2.5" -> "FreeBSD 2.2.6" -> "FreeBSD 2.2.7" -> "FreeBSD 2.2.8" -> "FreeBSD 2.2.9";
	"NetBSD 1.3" -> "NetBSD 1.3.1" -> "NetBSD 1.3.2" -> "NetBSD 1.3.3";

	"FreeBSD 2.2" -> "FreeBSD 3.0"
	"4.4BSD Lite2" -> "FreeBSD 3.0";
	"Rhapsody" -> "FreeBSD 3.0";

	"NetBSD 1.3" -> "NetBSD 1.4" -> "NetBSD 1.5";
	"NetBSD 1.4" -> "NetBSD 1.4.1" -> "NetBSD 1.4.2" -> "NetBSD 1.4.3"

	"NetBSD 1.4" -> "Mac OS X 10.0" [style="dotted"];
	"FreeBSD 3.0" -> "Mac OS X 10.0";
	"FreeBSD 3.2" -> "Mac OS X 10.0";
	"Rhapsody" -> "Mac OS X 10.0";
	"4.4BSD Lite2" -> "Mac OS X 10.0";
	
	"FreeBSD 3.0" -> "FreeBSD 4.0" -> "FreeBSD 5.0" -> "FreeBSD 5.1" -> "FreeBSD 5.2" -> "FreeBSD 6.0" -> "FreeBSD 7.0" -> "FreeBSD 8.0" -> "FreeBSD 9.0" -> "FreeBSD 10.0" -> "FreeBSD 11.0";

	"FreeBSD 11.0" -> "FreeBSD 11.1";
	
	"FreeBSD 3.0" -> "FreeBSD 3.1";
	"FreeBSD 3.1" -> "FreeBSD 3.2" -> "FreeBSD 3.3" -> "FreeBSD 3.4" -> "FreeBSD 3.5" -> "FreeBSD 3.5.1";

	"FreeBSD 4.0" -> "FreeBSD 4.1" -> "FreeBSD 4.1.1" -> "FreeBSD 4.2" -> "FreeBSD 4.3" -> "FreeBSD 4.4" -> "FreeBSD 4.5" -> "FreeBSD 4.6" -> "FreeBSD 4.6.2" -> "FreeBSD 4.7" -> "FreeBSD 4.8";
	"FreeBSD 4.0" -> "FreeBSD 5.0" -> "FreeBSD 5.1";
	"FreeBSD 5.1" -> "Mac OS X 10.3";

	"Darwin / Mac OS X" -> "Mac OS X 10.0" -> "Mac OS X 10.1";
	"FreeBSD 4.4" -> "Mac OS X 10.2";

	"FreeBSD 4.8" -> "FreeBSD 4.9";

	"NetBSD 1.5" -> "NetBSD 1.5.1" -> "NetBSD 1.5.2" -> "NetBSD 1.5.3";
	"NetBSD 1.5" -> "NetBSD 1.6" -> "NetBSD 1.6.1" -> "NetBSD 1.6.2";
	
	"NetBSD 1.6" -> "NetBSD 2.0";

	"FreeBSD 4.9" -> "FreeBSD 4.10" -> "FreeBSD 4.11";
	"FreeBSD 5.2" -> "FreeBSD 5.2.1";
	"NetBSD 2.0" -> "NetBSD 2.0.2" -> "NetBSD 2.0.3";
	"FreeBSD 5.2" -> "FreeBSD 5.3" -> "FreeBSD 5.4" -> "FreeBSD 5.5";

	"NetBSD 2.0" -> "NetBSD 2.1";
	"NetBSD 2.0" -> "NetBSD 3.0" -> "NetBSD 4.0" -> "NetBSD 5.0" -> "NetBSD 6.0" -> "NetBSD 7.0";
	"NetBSD 3.0" -> "NetBSD 3.0.1" -> "NetBSD 3.0.2";
	"NetBSD 3.0" -> "NetBSD 3.1";
	"NetBSD 4.0" -> "NetBSD 4.0.1";
	"NetBSD 5.0" -> "NetBSD 5.0.1" -> "NetBSD 5.0.2";
	"NetBSD 5.0" -> "NetBSD 5.1" -> "NetBSD 5.1.1" -> "NetBSD 5.1.2" -> "NetBSD 5.1.3" -> "NetBSD 5.1.4";
	"NetBSD 5.0" -> "NetBSD 5.2" -> "NetBSD 5.2.1" -> "NetBSD 5.2.2";
	"NetBSD 6.0" -> "NetBSD 6.0.1" -> "NetBSD 6.0.2" -> "NetBSD 6.0.3" -> "NetBSD 6.0.4" -> "NetBSD 6.0.5";
	"NetBSD 6.0" -> "NetBSD 6.1" -> "NetBSD 6.1.1" -> "NetBSD 6.1.2" -> "NetBSD 6.1.3" -> "NetBSD 6.1.4" -> "NetBSD 6.1.5";
	"NetBSD 7.0" -> "NetBSD 7.1";

	"NetBSD 7.0" -> "NetBSD 7.0.1" -> "NetBSD 7.0.2";

	"FreeBSD 6.0" -> "FreeBSD 6.1" -> "FreeBSD 6.2" -> "FreeBSD 6.3" -> "FreeBSD 6.4";
	"FreeBSD 7.0" -> "FreeBSD 7.1" -> "FreeBSD 7.2" -> "FreeBSD 7.3" -> "FreeBSD 7.4";
	"FreeBSD 8.0" -> "FreeBSD 8.1" -> "FreeBSD 8.2" -> "FreeBSD 8.3" -> "FreeBSD 8.4";
	"FreeBSD 9.0" -> "FreeBSD 9.1" -> "FreeBSD 9.2" -> "FreeBSD 9.3";
	"FreeBSD 10.0" -> "FreeBSD 10.1" -> "FreeBSD 10.2" -> "FreeBSD 10.3" -> "FreeBSD 10.4";

	"Mac OS X 10.0" -> "Mac OS X 10.1" -> "Mac OS X 10.2" -> "Mac OS X 10.3" -> "Mac OS X 10.4" -> "Mac OS X 10.5" -> "Mac OS X 10.6" -> "Mac OS X 10.7" -> "Mac OS X 10.8" -> "Mac OS X 10.9" -> "Mac OS X 10.10" -> "Mac OS X 10.11" -> "macOS 10.12" -> "macOS 10.13"


	"1BSD"		[label="1BSD\nlate 1977 1978-03-09 [QCU] PDP-11, Pascal, ex(1) 30 free copies of 1BSD sent out 35 tapes sold for 50 USD [QCU]"] 
	"2BSD"		[label="2BSD\nmid 1978 [QCU] 1979-05-10 [TUHS] 75 2BSD tapes shipped"] 
	"2.79BSD"	[label="2.79BSD\n1980-04-xx [TUHS]"] 
	"2.8BSD"	[label="2.8BSD\n1981-07-xx [KSJ]"] 
	"2.8.1BSD"	[label="2.8.1BSD\n1982-01-xx [QCU] set of performance improvements"] 
	"2.9BSD"	[label="2.9BSD\n1983-07-xx [KSJ]"] 
	"2.9.1BSD"	[label="2.9.1BSD\n1983-11-xx [TUHS]"] 
	"2.9BSD-Seismo"	[label="2.9BSD-Seismo\n1985-08-xx [SMS]"] 
	"2.10BSD"	[label="2.10BSD\n1987-04-xx [KKK]"] 
	"2.10.1BSD"	[label="2.10.1BSD\n1989-01-xx [SMS]"] 
	"2.11BSD"	[label="2.11BSD\n1992-02-xx [SMS]"] 
	"2.11BSD rev #430"	[label="2.11BSD rev #430\n1999-12-13 [SMS]"] 
	"32V"		[label="32V\n1978-1[01]-xx [QCU] 1979-03-26 [TUHS]"] 
	"3BSD"		[label="3BSD\nlate 1979 [QCU] March 1980 [TUHS] virtual memory, page replacement, demand paging"] 
	"4.0BSD"	[label="4.0BSD\n1980-10-xx"] 
	"4.1BSD"	[label="4.1BSD\n1981-07-08 [DOC]"] 
	"4.1aBSD"	[label="4.1aBSD\n1982-04-xx alpha release, 100 sites, networking [44B]"] 
	"4.1bBSD"	[label="4.1bBSD\ninternal release, fast filesystem [44B]"] 
	"4.1cBSD"	[label="4.1cBSD \nlate 1982 beta release, IPC [44B]"] 
	"4.2BSD"	[label="4.2BSD\n1983-09-xx [QCU] 1983-08-03 [DOC]"] 
	"4.3BSD" 	[label="4.3BSD\n1986-06-xx [QCU] 1986-04-05 [KB], [DOC]"] 
	"4.3BSD Tahoe"	[label="4.3BSD Tahoe\n1988-06-15 [QCU], [DOC]"] 
	"4.3BSD NET/1 "	[label="4.3BSD NET/1 \n1988-11-xx [QCU] 1989-01-01 [DOC]"] 
	"4.3BSD Reno"	[label="4.3BSD Reno\n1990-06-29 [QCU], [DOC]"] 
	"4.3BSD NET/2"	[label="4.3BSD NET/2\n1991-06-28 [QCU], [DOC]"] 
	"BSD/386 ALPHA"	[label="BSD/386 ALPHA\n1991-12-xx [BSDI] first code released to people outside BSDI"] 
	"386BSD 0.0"	[label="386BSD 0.0\n1992-02-xx [DOC]"] 
	"BSD/386 0.3.1"	[label="BSD/386 0.3.1	\n1992-04-xx [BSDI] first ext. beta; B customers"] 
	"BSD/386 0.3.3"	[label="BSD/386 0.3.3\n1992-06-xx [BSDI] first CDROM version"] 
	"386BSD 0.1"	[label="386BSD 0.1\n1992-07-28 [DOC]"] 
	"4.4BSD Alpha"	[label="4.4BSD Alpha\n1992-07-07"] 
	"BSD/386 0.9.3"	[label="BSD/386 0.9.3\n1992-10-xx [BSDI] first external gamma; G customers"] 
	"BSD/386 0.9.4"	[label="BSD/386 0.9.4\n1992-12-xx [BSDI] would have been 1.0 except for request for preliminary injunction"] 
	"BSD/386 1.0 "	[label="BSD/386 1.0 \n1993-03-xx [BSDI] injunction denied; first official release"] 
	"4.4BSD"	[label="4.4BSD\n1993-06-01 [USE]"] 
	"386BSD 1.0"	[label="386BSD 1.0\n1994-11-12 [USE]"] 
	"4.4BSD Lite Release 2"	[label="4.4BSD Lite Release 2\n1995-06-xx [44B] the true final distribution from the CSRG"] 
	"4.4BSD Lite"	[label="4.4BSD Lite\n1994-03-01 [USE]"] 
	"BSD/386 1.1"	[label="BSD/386 1.1\n1994-02-xx [BSDI]"] 
	"BSD/OS 2.0"	[label="BSD/OS 2.0\n1995-01-xx [BSDI] 4.4 lite based"] 
	"BSD/OS 2.0.1"	[label="BSD/OS 2.0.1\n1995-06-xx [BSDI]"] 
	"BSD/OS 2.1"	[label="BSD/OS 2.1\n1996-01-xx [BSDI]"] 
	"BSD/OS 3.0"	[label="BSD/OS 3.0\n1997-02-xx [BSDI] 4.4 lite2 based"] 
	"BSD/OS 3.1"	[label="BSD/OS 3.1\n1998-03-xx [BSDI]"] 
	"BSD/OS 4.0"	[label="BSD/OS 4.0\n1998-08-xx [BSDI] 2-lock MP support, ELF executables"] 
	"BSD/OS 4.0.1"	[label="BSD/OS 4.0.1\n1999-03-xx [BSDI]"] 
	"BSD/OS 4.1"	[label="BSD/OS 4.1\n1999-12-xx [BSDI]"] 
	"BSD/OS 4.2"	[label="BSD/OS 4.2\n2000-11-29 [BSDI]"] 
	"BSD/OS 4.3"	[label="BSD/OS 4.3\n2002-03-14 [WRS]"] 
	"BSD/OS 5.0"	[label="BSD/OS 5.0\n2003-05-?? [WRS]"] 
	"BSD/OS 5.1 ISE"	[label="BSD/OS 5.1 ISE\n2003-10-?? [WRS] (final version)"] 
	"Rhapsody"	[label="Rhapsody\n1997-xx-xx"] 

	"NetBSD 0.8"	[label="NetBSD 0.8\n1993-04-20 [NBD]"] 
	"NetBSD 0.9"	[label="NetBSD 0.9\n1993-08-23 [NBD]"] 

	"FreeBSD 1.0"	[label="FreeBSD 1.0\n1993-11-01 [FBD]"] 
	"FreeBSD 1.0.2"	[label="FreeBSD 1.0.2\n1993-11-14 [FBD] supersedes 1.0 13 days after release."] 
	"FreeBSD 1.1"	[label="FreeBSD 1.1\n1994-05-07 [FBD]"] 
	"FreeBSD 1.1.5"	[label="FreeBSD 1.1.5\n1994-06-30 [FBD]"] 
	"FreeBSD 1.1.5.1"	[label="FreeBSD 1.1.5.1\n1994-07-05 [FBD] supersedes 1.1.5 5 days after release."] 
	"FreeBSD 2.0"	[label="FreeBSD 2.0\n1994-11-23 [FBD]"] 
	"FreeBSD 2.0.5"	[label="FreeBSD 2.0.5\n1995-06-10 [FBD]"] 
	"FreeBSD 2.1"	[label="FreeBSD 2.1.0\n1995-11-19 [FBD]"] 
	"FreeBSD 2.1.5"	[label="FreeBSD 2.1.5\n1996-07-14 [FBD]"] 
	"FreeBSD 2.1.6"	[label="FreeBSD 2.1.6\n1996-11-16 [FBD]"] 
	"FreeBSD 2.1.6.1"	[label="FreeBSD 2.1.6.1 \n1996-11-25 [FBD] (sendmail security release)"] 
	"FreeBSD 2.1.7"	[label="FreeBSD 2.1.7\n1997-02-20 [FBD]"] 
	"FreeBSD 2.2.0"	[label="FreeBSD 2.2.0\n1997-03-16 [FBD]"] 
	"FreeBSD 2.2.1"	[label="FreeBSD 2.2.1\n1997-03-25 [FBD]"] 
	"FreeBSD 2.2.2"	[label="FreeBSD 2.2.2\n1997-05-16 [FBD]"] 
	"FreeBSD 2.2.5"	[label="FreeBSD 2.2.5\n1997-10-22 [FBD]"] 
	"FreeBSD 2.2.6"	[label="FreeBSD 2.2.6\n1998-03-25 [FBD]"] 
	"FreeBSD 2.2.7"	[label="FreeBSD 2.2.7\n1998-07-22 [FBD]"] 
	"FreeBSD 2.2.8"	[label="FreeBSD 2.2.8\n1998-11-29 [FBD]"] 
	"FreeBSD 2.2.9"	[label="FreeBSD 2.2.9\n2006-04-01 [FBD]"] 
	"FreeBSD 3.0"	[label="FreeBSD 3.0\n1998-10-16 [FBD] FreeBSD-3.0 is a snapshot from -current, while 3.1 and 3.2 are from 3.x-stable which was branched quite some time after 3.0-release"] 
	"FreeBSD 3.1"	[label="FreeBSD 3.1\n1999-02-15 [FBD]"] 
	"FreeBSD 3.2"	[label="FreeBSD 3.2\n1999-05-17 [FBD]"] 
	"FreeBSD 3.3"	[label="FreeBSD 3.3 \n1999-09-17 [FBD]"] 
	"FreeBSD 3.4"	[label="FreeBSD 3.4\n1999-12-20 [FBD]"] 
	"FreeBSD 3.5"	[label="FreeBSD 3.5\n2000-06-24 [FBD]"] 
	"FreeBSD 3.5.1"	[label="FreeBSD 3.5.1\n2000-07-28 [FBD]"] 
	"FreeBSD 4.0"	[label="FreeBSD 4.0\n2000-03-13 [FBD]"] 
	"FreeBSD 4.1"	[label="FreeBSD 4.1\n2000-07-27 [FBD]"] 
	"FreeBSD 4.1.1"	[label="FreeBSD 4.1.1\n2000-09-25 [FBD] (a network-only patch release)"] 
	"FreeBSD 4.10"	[label="FreeBSD 4.10\n2004-05-27 [FBD]"] 
	"FreeBSD 4.11"	[label="FreeBSD 4.11\n2005-01-25 [FBD]"] 
	"FreeBSD 4.2"	[label="FreeBSD 4.2\n2000-11-21 [FBD]"] 
	"FreeBSD 4.3"	[label="FreeBSD 4.3 \n	2001-04-20 [FBD]"] 
	"FreeBSD 4.4"	[label="FreeBSD 4.4\n2001-09-18 [FBD]"] 
	"FreeBSD 4.5"	[label="FreeBSD 4.5\n2002-01-29 [FBD]"] 
	"FreeBSD 4.6"	[label="FreeBSD 4.6\n2002-06-15 [FBD]"] 
	"FreeBSD 4.6.2"	[label="FreeBSD 4.6.2\n2002-08-15 [FBD] (patch release)"] 
	"FreeBSD 4.7"	[label="FreeBSD 4.7\n2002-10-08 [FBD]"] 
	"FreeBSD 4.8"	[label="FreeBSD 4.8\n2003-04-03 [FBD]"] 
	"FreeBSD 4.9"	[label="FreeBSD 4.9\n2003-10-28 [FBD]"] 
	"FreeBSD 5.0"	[label="FreeBSD 5.0\n2003-01-17 [FBD] FreeBSD 5.0 is a separate branch off of -current, similar to 3.0."] 
	"FreeBSD 5.1"	[label="FreeBSD 5.1\n2003-06-09 [FBD]"] 
	"FreeBSD 5.2"	[label="FreeBSD 5.2\n2004-01-12 [FBD]"] 
	"FreeBSD 5.2.1"	[label="FreeBSD 5.2.1\n2004-02-22 [FBD] (patch release)"] 
	"FreeBSD 5.3"	[label="FreeBSD 5.3\n2004-11-06 [FBD]"] 
	"FreeBSD 5.4"	[label="FreeBSD 5.4\n2005-05-09 [FBD]"] 
	"FreeBSD 5.5"	[label="FreeBSD 5.5\n2006-05-25 [FBD]"] 
	"FreeBSD 6.0"	[label="FreeBSD 6.0\n2005-11-01 [FBD]"] 
	"FreeBSD 6.1"	[label="FreeBSD 6.1\n2006-05-08 [FBD]"] 
	"FreeBSD 6.2"	[label="FreeBSD 6.2\n2007-01-15 [FBD]"] 
	"FreeBSD 6.3"	[label="FreeBSD 6.3\n2008-01-18 [FBD]"] 
	"FreeBSD 6.4"	[label="FreeBSD 6.4\n2008-11-28 [FBD]"] 
	"FreeBSD 7.0"	[label="FreeBSD 7.0\n2008-02-27 [FBD]"] 
	"FreeBSD 7.1"	[label="FreeBSD 7.1\n2009-01-04 [FBD]"] 
	"FreeBSD 7.2"	[label="FreeBSD 7.2\n2009-05-04 [FBD]"] 
	"FreeBSD 7.3"	[label="FreeBSD 7.3\n2010-03-23 [FBD]"] 
	"FreeBSD 7.4"	[label="FreeBSD 7.4\n2011-02-24 [FBD]"] 
	"FreeBSD 8.0"	[label="FreeBSD 8.0\n2009-11-26 [FBD]"] 
	"FreeBSD 8.1"	[label="FreeBSD 8.1\n2010-07-24 [FBD]"] 
	"FreeBSD 8.2"	[label="FreeBSD 8.2\n2011-02-24 [FBD]"] 
	"FreeBSD 8.3"	[label="FreeBSD 8.3\n2012-04-18 [FBD]"] 
	"FreeBSD 8.4"	[label="FreeBSD 8.4\n2013-06-07 [FBD]"] 
	"FreeBSD 9.0"	[label="FreeBSD 9.0\n2012-01-12 [FBD]"] 
	"FreeBSD 9.1"	[label="FreeBSD 9.1\n2012-12-30 [FBD]"] 
	"FreeBSD 9.2"	[label="FreeBSD 9.2\n2013-09-30 [FBD]"] 
	"FreeBSD 9.3"	[label="FreeBSD 9.3\n2014-07-05 [FBD]"] 
	"FreeBSD 10.0"	[label="FreeBSD 10.0\n2014-01-20 [FBD]"] 
	"FreeBSD 10.1"	[label="FreeBSD 10.1\n2014-11-14 [FBD]"] 
	"FreeBSD 10.2"	[label="FreeBSD 10.2\n2015-08-13 [FBD]"] 
	"FreeBSD 10.3"	[label="FreeBSD 10.3\n2016-04-04 [FBD]"] 
	"FreeBSD 10.4"	[label="FreeBSD 10.4\n2017-10-03 [FBD]"] 
	"FreeBSD 11.0"	[label="FreeBSD 11.0\n2016-10-10 [FBD]"] 
	"FreeBSD 11.1"	[label="FreeBSD 11.1\n2017-07-26 [FBD]"] 

	"DragonFly 1.0"	[label="DragonFly 1.0\n2004-07-12 [DFB]"] 
	"DragonFly 1.10.0"	[label="DragonFly 1.10.0\n2007-08-06 [DFB]"] 
	"DragonFly 1.12.0"	[label="DragonFly 1.12.0\n2008-02-26 [DFB]"] 
	"DragonFly 1.2.0"	[label="DragonFly 1.2.0\n2005-04-08 [DFB]"] 
	"DragonFly 1.4.0"	[label="DragonFly 1.4.0\n2006-01-08 [DFB]"] 
	"DragonFly 1.6.0"	[label="DragonFly 1.6.0\n2006-07-24 [DFB]"] 
	"DragonFly 1.8.0"	[label="DragonFly 1.8.0\n2007-01-30 [DFB]"] 
	"DragonFly 2.0.0"	[label="DragonFly 2.0.0\n2008-07-21 [DFB]"] 
	"DragonFly 2.10.1"	[label="DragonFly 2.10.1\n2011-04-26 [DFB]"] 
	"DragonFly 2.2.0"	[label="DragonFly 2.2.0\n2009-02-17 [DFB]"] 
	"DragonFly 2.4.0"	[label="DragonFly 2.4.0\n2009-09-16 [DFB]"] 
	"DragonFly 2.6.0"	[label="DragonFly 2.6.0\n2010-03-28 [DFB]"] 
	"DragonFly 2.8.2"	[label="DragonFly 2.8.2\n2010-10-30 [DFB]"] 
	"DragonFly 3.0.1"	[label="DragonFly 3.0.1\n2012-02-21 [DFB]"] 
	"DragonFly 3.2.1"	[label="DragonFly 3.2.1\n2012-11-02 [DFB]"] 
	"DragonFly 3.4.1"	[label="DragonFly 3.4.1\n2013-04-29 [DFB]"] 
	"DragonFly 3.6.0"	[label="DragonFly 3.6.0\n2013-11-25 [DFB]"] 
	"DragonFly 3.6.1"	[label="DragonFly 3.6.1\n2014-02-22 [DFB]"] 
	"DragonFly 3.6.2"	[label="DragonFly 3.6.2\n2014-04-10 [DFB]"] 
	"DragonFly 3.6.3"	[label="DragonFly 3.6.3\n2014-06-17 [DFB]"] 
	"DragonFly 3.8.0"	[label="DragonFly 3.8.0\n2014-06-04 [DFB]"] 
	"DragonFly 3.8.1"	[label="DragonFly 3.8.1\n2014-06-16 [DFB]"] 
	"DragonFly 3.8.2"	[label="DragonFly 3.8.2\n2014-08-08 [DFB]"] 
	"DragonFly 4.0.1"	[label="DragonFly 4.0.1\n2014-11-25 [DFB]"] 
	"DragonFly 4.0.2"	[label="DragonFly 4.0.2\n2015-01-07 [DFB]"] 
	"DragonFly 4.0.3"	[label="DragonFly 4.0.3\n2015-01-21 [DFB]"] 
	"DragonFly 4.0.4"	[label="DragonFly 4.0.4\n2015-03-09 [DFB]"] 
	"DragonFly 4.0.5"	[label="DragonFly 4.0.5\n2015-03-23 [DFB]"] 
	"DragonFly 4.2.0"	[label="DragonFly 4.2.0\n2015-06-29 [DFB]"] 
	"DragonFly 4.4.1"	[label="DragonFly 4.4.1\n2015-12-07 [DFB]"] 
	"DragonFly 4.6.0"	[label="DragonFly 4.6.0\n2016-08-02 [DFB]"] 
	"DragonFly 4.8.0"	[label="DragonFly 4.8.0\n2017-03-27 [DFB]"] 
	"DragonFly 5.0.0"	[label="DragonFly 5.0.0\n2017-10-16 [DFB]"] 
	"DragonFly 5.0.1"	[label="DragonFly 5.0.1\n2017-11-06 [DFB]"] 
	"DragonFly 5.0.2"	[label="DragonFly 5.0.2\n2017-12-04 [DFB]"] 
	
	"Mac OS X 10.0"	[label="Mac OS X 10.0\n2001-03-24 [APL]"] 
	"Mac OS X 10.1"	[label="Mac OS X 10.1\n2001-09-29 [APL]"] 
	"Mac OS X 10.10"	[label="Mac OS X 10.10\n2014-10-16 [APL]"] 
	"Mac OS X 10.2"	[label="Mac OS X 10.2\n2002-08-23 [APL]"] 
	"Mac OS X 10.3"	[label="Mac OS X 10.3\n2003-10-24 [APL]"] 
	"Mac OS X 10.4"	[label="Mac OS X 10.4\n2005-04-29 [APL]"] 
	"Mac OS X 10.5"	[label="Mac OS X 10.5\n2007-10-26 [APL]"] 
	"Mac OS X 10.6"	[label="Mac OS X 10.6\n2009-06-08 [APL]"] 
	"Mac OS X 10.7"	[label="Mac OS X 10.7\n2011-07-20 [APL]"] 
	"Mac OS X 10.8"	[label="Mac OS X 10.8\n2012-07-25 [APL]"] 
	"Mac OS X 10.9"	[label="Mac OS X 10.9\n2013-10-22 [APL]"] 
	"Mac OS X 10.11"	[label="OS X 10.11\n2015-09-30 [APL]"] 
	"macOS 10.12"	[label="macOS 10.12\n2016-09-20 [APL]"] 
	"macOS 10.13"	[label="macOS 10.13\n2017-09-25 [APL]"] 

	"NetBSD 1.0"	[label="NetBSD 1.0\n1994-10-26 [NBD]"] 
	"NetBSD 1.1"	[label="NetBSD 1.1\n1995-11-26 [NBD]"] 
	"NetBSD 1.2"	[label="NetBSD 1.2\n1996-10-04 [NBD]"] 
	"NetBSD 1.2.1"	[label="NetBSD 1.2.1\n1997-05-20 [NBD] (patch release)"] 
	"NetBSD 1.3"	[label="NetBSD 1.3\n1998-01-04 [NBD]"] 
	"NetBSD 1.3.1"	[label="NetBSD 1.3.1\n1998-03-09 [NBD] (patch release)"] 
	"NetBSD 1.3.2"	[label="NetBSD 1.3.2\n1998-05-29 [NBD] (patch release)"] 
	"NetBSD 1.3.3"	[label="NetBSD 1.3.3\n1998-12-23 [NBD] (patch release)"] 
	"NetBSD 1.4"	[label="NetBSD 1.4\n1999-05-12 [NBD]"] 
	"NetBSD 1.4.1"	[label="NetBSD 1.4.1\n1999-08-26 [NBD] (patch release)"] 
	"NetBSD 1.4.2"	[label="NetBSD 1.4.2\n2000-03-19 [NBD] (patch release)"] 
	"NetBSD 1.4.3"	[label="NetBSD 1.4.3\n2000-11-25 [NBD] (patch release)"] 
	"NetBSD 1.5"	[label="NetBSD 1.5\n 2000-12-06 [NBD]"] 
	"NetBSD 1.5.1"	[label="NetBSD 1.5.1\n2001-07-11 [NBD] (patch release)"] 
	"NetBSD 1.5.2"	[label="NetBSD 1.5.2\n2001-09-13 [NBD] (patch release)"] 
	"NetBSD 1.5.3"	[label="NetBSD 1.5.3\n2002-07-22 [NBD] (patch release)"] 
	"NetBSD 1.6"	[label="NetBSD 1.6\n2002-09-14 [NBD]"] 
	"NetBSD 1.6.1"	[label="NetBSD 1.6.1\n2003-04-21 [NBD] (patch release)"] 
	"NetBSD 1.6.2"	[label="NetBSD 1.6.2\n2004-03-01 [NBD] (patch release)"] 
	"NetBSD 2.0"	[label="NetBSD 2.0\n2004-12-09 [NBD]"] 
	"NetBSD 2.0.2"	[label="NetBSD 2.0.2\n2005-04-14 [NBD] (security/critical release)"] 
	"NetBSD 2.0.3"	[label="NetBSD 2.0.3\n2005-10-31 [NBD] (security/critical release)"] 
	"NetBSD 2.1"	[label="NetBSD 2.1\n2005-11-02 [NBD]"] 
	"NetBSD 3.0"	[label="NetBSD 3.0\n2005-12-23 [NBD]"] 
	"NetBSD 3.0.1"	[label="NetBSD 3.0.1\n2006-07-24 [NBD] (security/critical release)"] 
	"NetBSD 3.0.2"	[label="NetBSD 3.0.2\n2006-11-04 [NBD] (security/critical release)"] 
	"NetBSD 3.1"	[label="NetBSD 3.1\n2006-11-04 [NBD]"] 
	"NetBSD 4.0"	[label="NetBSD 4.0\n2007-12-19 [NBD]"] 
	"NetBSD 5.0"	[label="NetBSD 5.0\n2009-04-29 [NBD]"] 
	"NetBSD 5.0.1"	[label="NetBSD 5.0.1\n2009-08-02 [NBD] (security/critical release)"] 
	"NetBSD 5.0.2"	[label="NetBSD 5.0.2\n2010-02-12 [NBD] (security/critical release)"] 
	"NetBSD 5.1"	[label="NetBSD 5.1\n2010-11-19 [NBD]"] 
	"NetBSD 5.1.2"	[label="NetBSD 5.1.2\n2012-02-02 [NBD] (security/critical release)"] 
	"NetBSD 5.1.3"	[label="NetBSD 5.1.3\n2013-09-29 [NBD]"] 
	"NetBSD 5.1.4"	[label="NetBSD 5.1.4\n2014-01-25 [NBD]"] 
	"NetBSD 5.2"	[label="NetBSD 5.2\n2012-12-03 [NBD]"] 
	"NetBSD 5.2.1"	[label="NetBSD 5.2.1\n2013-09-29 [NBD]"] 
	"NetBSD 5.2.2"	[label="NetBSD 5.2.2\n2014-01-25 [NBD]"] 
	"NetBSD 6.0"	[label="NetBSD 6.0\n2012-10-17 [NBD]"] 
	"NetBSD 6.0.1"	[label="NetBSD 6.0.1\n2012-12-26 [NBD] (security/critical release)"] 
	"NetBSD 6.0.2"	[label="NetBSD 6.0.2\n2013-05-18 [NBD] (security/critical release)"] 
	"NetBSD 6.0.3"	[label="NetBSD 6.0.3\n2013-09-30 [NBD]"] 
	"NetBSD 6.0.4"	[label="NetBSD 6.0.4\n2014-01-25 [NBD]"] 
	"NetBSD 6.0.5"	[label="NetBSD 6.0.5\n2014-04-12 [NDB]"] 
	"NetBSD 6.1"	[label="NetBSD 6.1\n2013-05-18 [NBD]"] 
	"NetBSD 6.1.1"	[label="NetBSD 6.1.1\n2013-08-22 [NBD]"] 
	"NetBSD 6.1.2"	[label="NetBSD 6.1.2\n2013-09-30 [NBD]"] 
	"NetBSD 6.1.3"	[label="NetBSD 6.1.3\n2014-01-25 [NBD]"] 
	"NetBSD 6.1.4"	[label="NetBSD 6.1.4\n2014-04-12 [NDB]"] 
	"NetBSD 6.1.5"	[label="NetBSD 6.1.5\n2014-09-22 [NBD]"] 
	"NetBSD 7.0"	[label="NetBSD 7.0\n2015-09-25 [NBD]"] 
	"NetBSD 7.0.1"	[label="NetBSD 7.0.1\n2016-05-22 [NBD]"] 
	"NetBSD 7.0.2"	[label="NetBSD 7.0.2\n2016-10-21 [NBD]"] 
	"NetBSD 7.1"	[label="NetBSD 7.1\n2017-03-11 [NBD]"] 

	"OpenBSD 2.0"	[label="OpenBSD 2.0\n1996-10-18 [OBD]"] 
	"OpenBSD 2.1"	[label="OpenBSD 2.1\n1997-06-01 [OBD]"] 
	"OpenBSD 2.2"	[label="OpenBSD 2.2\n1997-12-01 [OBD]"] 
	"OpenBSD 2.3"	[label="OpenBSD 2.3\n1998-05-19 [OBD]"] 
	"OpenBSD 2.4"	[label="OpenBSD 2.4 \n1998-12-01 [OBD]"] 
	"OpenBSD 2.5"	[label="OpenBSD 2.5\n1999-05-19 [OBD]"] 
	"OpenBSD 2.6"	[label="OpenBSD 2.6\n1999-12-01 [OBD]"] 
	"OpenBSD 2.7"	[label="OpenBSD 2.7\n2000-06-15 [OBD]"] 
	"OpenBSD 2.8"	[label="OpenBSD 2.8\n2000-12-01 [OBD]"] 
	"OpenBSD 2.9"	[label="OpenBSD 2.9\n	2001-06-01 [OBD]"] 
	"OpenBSD 3.0"	[label="OpenBSD 3.0\n2001-12-01 [OBD]"] 
	"OpenBSD 3.1"	[label="OpenBSD 3.1\n2002-05-19 [OBD]"] 
	"OpenBSD 3.2"	[label="OpenBSD 3.2\n2002-11-01 [OBD]"] 
	"OpenBSD 3.3"	[label="OpenBSD 3.3\n2003-05-01 [OBD]"] 
	"OpenBSD 3.4"	[label="OpenBSD 3.4\n2003-11-01 [OBD]"] 
	"OpenBSD 3.5"	[label="OpenBSD 3.5\n2004-04-01 [OBD]"] 
	"OpenBSD 3.6"	[label="OpenBSD 3.6\n2004-10-29 [OBD]"] 
	"OpenBSD 3.7"	[label="OpenBSD 3.7\n2005-05-19 [OBD]"] 
	"OpenBSD 3.8"	[label="OpenBSD 3.8\n2005-11-01 [OBD]"] 
	"OpenBSD 3.9"	[label="OpenBSD 3.9\n2006-05-01 [OBD]"] 
	"OpenBSD 4.0"	[label="OpenBSD 4.0\n2006-11-01 [OBD]"] 
	"OpenBSD 4.1"	[label="OpenBSD 4.1\n2007-05-01 [OBD]"] 
	"OpenBSD 4.2"	[label="OpenBSD 4.2\n2007-11-01 [OBD]"] 
	"OpenBSD 4.3"	[label="OpenBSD 4.3\n2008-05-01 [OBD]"] 
	"OpenBSD 4.4"	[label="OpenBSD 4.4\n2008-11-01 [OBD]"] 
	"OpenBSD 4.5"	[label="OpenBSD 4.5\n2009-05-01 [OBD]"] 
	"OpenBSD 4.6"	[label="OpenBSD 4.6\n2009-10-18 [OBD]"] 
	"OpenBSD 4.7"	[label="OpenBSD 4.7\n2010-05-19 [OBD]"] 
	"OpenBSD 4.8"	[label="OpenBSD 4.8\n2010-11-01 [OBD]"] 
	"OpenBSD 4.9"	[label="OpenBSD 4.9\n2011-05-01 [OBD]"] 
	"OpenBSD 5.0"	[label="OpenBSD 5.0\n2011-11-01 [OBD]"] 
	"OpenBSD 5.1"	[label="OpenBSD 5.1\n2012-05-01 [OBD]"] 
	"OpenBSD 5.2"	[label="OpenBSD 5.2\n2012-11-01 [OBD]"] 
	"OpenBSD 5.3"	[label="OpenBSD 5.3\n2013-05-01 [OBD]"] 
	"OpenBSD 5.4"	[label="OpenBSD 5.4\n2013-11-01 [OBD]"] 
	"OpenBSD 5.5"	[label="OpenBSD 5.5\n2014-05-01 [OBD]"] 
	"OpenBSD 5.6"	[label="OpenBSD 5.6\n2014-11-01 [OBD]"] 
	"OpenBSD 5.7"	[label="OpenBSD 5.7\n2015-05-01 [OBD]"] 
	"OpenBSD 5.8"	[label="OpenBSD 5.8\n2015-10-18 [OBD]"] 
	"OpenBSD 5.9"	[label="OpenBSD 5.9\n2016-03-29 [OBD]"] 
	"OpenBSD 6.0"	[label="OpenBSD 6.0\n2016-09-01 [OBD]"] 
	"OpenBSD 6.1"	[label="OpenBSD 6.1\n2017-04-11 [OBD]"] 
	"OpenBSD 6.2"	[label="OpenBSD 6.2\n2017-10-09 [OBD]"] 
}