bsd-family-tree revision 1.35 1 The UNIX system family tree: Research and BSD
2 ---------------------------------------------
3
4 First Edition (V1)
5 |
6 Second Edition (V2)
7 |
8 Third Edition (V3)
9 |
10 Fourth Edition (V4)
11 |
12 Fifth Edition (V5)
13 |
14 Sixth Edition (V6) -----*
15 \ |
16 \ |
17 \ |
18 Seventh Edition (V7) |
19 \ |
20 \ 1BSD
21 32V |
22 \ 2BSD---------------*
23 \ / |
24 \ / |
25 \/ |
26 3BSD |
27 | |
28 4.0BSD 2.7.9BSD
29 | |
30 4.1BSD --------------> 2.8BSD
31 | |
32 4.1aBSD -----------\ |
33 | \ |
34 4.1bBSD \ |
35 | \ |
36 *------ 4.1cBSD --------------> 2.9BSD
37 / | |
38 Eighth Edition | 2.9BSD-Seismo
39 | | |
40 +----<--- 4.2BSD 2.9.1BSD
41 | | |
42 +----<--- 4.3BSD -------------> 2.10BSD
43 | | / |
44 Ninth Edition | / 2.10.1BSD
45 | 4.3BSD Tahoe-----+ |
46 | | \ |
47 | | \ |
48 v | 2.11BSD
49 Tenth Edition | |
50 | 2.11BSD rev #430
51 4.3BSD NET/1 |
52 | v
53 4.3BSD Reno
54 |
55 *---------- 4.3BSD NET/2 -------------------+-------------*
56 | | | |
57 386BSD 0.0 | | BSD/386 ALPHA
58 | | | |
59 386BSD 0.1 ------------>+ | BSD/386 0.3.[13]
60 | \ | 4.4BSD Alpha |
61 | 386BSD 1.0 | | BSD/386 0.9.[34]
62 | | 4.4BSD |
63 | | / | |
64 | | 4.4BSD-Encumbered | |
65 | - NetBSD 0.8 | BSD/386 1.0
66 | / | | |
67 FreeBSD 1.0 <----' NetBSD 0.9 | BSD/386 1.1
68 | | .----- 4.4BSD Lite |
69 FreeBSD 1.1 | / / | \ |
70 | | / / | \ |
71 FreeBSD 1.1.5 .---|--------' / | \ |
72 | / | / | \ |
73 FreeBSD 1.1.5.1 / | / | \ |
74 | / NetBSD 1.0 <-' | \ |
75 | / | | \ |
76 FreeBSD 2.0 <--' | | BSD/OS 2.0
77 | \ | |
78 FreeBSD 2.0.5 \ | BSD/OS 2.0.1
79 | .-----\------------- 4.4BSD Lite2 |
80 | | \ | | | | |
81 | | .-----|------Rhapsody | | | |
82 | | | | NetBSD 1.3 | | |
83 | | | | OpenBSD 2.3 | |
84 | | | | BSD/OS 3.0 |
85 FreeBSD 2.1 | | | |
86 | | | | NetBSD 1.1 ------. BSD/OS 2.1
87 | FreeBSD 2.1.5 | | | \ |
88 | | | | NetBSD 1.2 \ BSD/OS 3.0
89 | FreeBSD 2.1.6 | | | \ OpenBSD 2.0 |
90 | | | | | \ | |
91 | FreeBSD 2.1.6.1 | | | \ | |
92 | | | | | \ | |
93 | FreeBSD 2.1.7 | | | | | |
94 | | | | | NetBSD 1.2.1 | |
95 | FreeBSD 2.1.7.1 | | | | |
96 | | | | | |
97 | | | | | |
98 *-FreeBSD 2.2 | | | | |
99 | \ | | | | |
100 | FreeBSD 2.2.1 | | | | |
101 | | | | | | |
102 | FreeBSD 2.2.2 | | | OpenBSD 2.1 |
103 | | | | | | |
104 | FreeBSD 2.2.5 | | | | |
105 | | | | | OpenBSD 2.2 |
106 | | | | NetBSD 1.3 | |
107 | FreeBSD 2.2.6 | | | | | |
108 | | | | | NetBSD 1.3.1 | BSD/OS 3.1
109 | | | | | | OpenBSD 2.3 |
110 | | | | | NetBSD 1.3.2 | |
111 | FreeBSD 2.2.7 | | | | | |
112 | | | | | | | BSD/OS 4.0
113 | v | | | | | |
114 | FreeBSD 2.2.8 | | | | | |
115 | | | | | OpenBSD 2.4 |
116 FreeBSD 3.0 <--------* | | v | |
117 | | | NetBSD 1.3.3 | |
118 *---FreeBSD 3.1 | | | |
119 | | | | | BSD/OS 4.0.1
120 | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 |
121 | | | | | | | | |
122 | | | | | | | | |
123 | | | | | | | | |
124 | FreeBSD 3.3 | | | | NetBSD 1.4.1 | |
125 | | | | | | | OpenBSD 2.6 |
126 | FreeBSD 3.4 | | | | | | |
127 | | | | | | | | BSD/OS 4.1
128 FreeBSD 4.0 | | | | | NetBSD 1.4.2 | |
129 | | | | | | | | |
130 | | | | | | | | |
131 | FreeBSD 3.5 | | | | | OpenBSD 2.7 |
132 | | | | | | | | |
133 | FreeBSD 3.5.1 | | | | | | |
134 | | | | | | | |
135 *---FreeBSD 4.1 | | | | | | |
136 | | | | (?) | | | |
137 | FreeBSD 4.1.1 | | / | | | |
138 | | | | / | | | |
139 | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | |
140 | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2
141 | | | | | |
142 | | | | | |
143 | | 10.0 NetBSD 1.5 | |
144 | FreeBSD 4.3 | | | | |
145 | | | | | OpenBSD 2.9 |
146 | | | | NetBSD 1.5.1 | |
147 | | | | | | |
148 | FreeBSD 4.4-. | | NetBSD 1.5.2 | |
149 | | | Mac OS X | | | |
150 | | | 10.1 | | OpenBSD 3.0 |
151 | FreeBSD 4.5 | | | | | |
152 | | \ | | | | BSD/OS 4.3
153 | FreeBSD 4.6 \ | | | OpenBSD 3.1 |
154 | | \ | | NetBSD 1.5.3 | |
155 | FreeBSD 4.6.2 Mac OS X | | |
156 | | 10.2 | | |
157 | FreeBSD 4.7 | | | |
158 | | | NetBSD 1.6 OpenBSD 3.2 |
159 | FreeBSD 4.8 | | | | |
160 | | | | NetBSD 1.6.1 | |
161 | |--------. | | | OpenBSD 3.3 BSD/OS 5.0
162 | | \ | | | | |
163 | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE
164 | | | | | | |
165 | | | | | NetBSD 1.6.2 |
166 | | | | | | |
167 | | | | | | OpenBSD 3.5
168 | | | | | v |
169 | FreeBSD 4.10 | | | |
170 | | | | | |
171 | FreeBSD 4.11 | | | |
172 | | | | | |
173 | v `-|------|-----------------|---------------------.
174 | | | | \
175 FreeBSD 5.0 | | | |
176 | | | | |
177 FreeBSD 5.1 | | | DragonFly 1.0
178 | \ | | | |
179 | ----- Mac OS X | | |
180 | 10.3 | | |
181 FreeBSD 5.2 | | | |
182 | | | | | |
183 | FreeBSD 5.2.1 | | | |
184 | | | | |
185 *-------FreeBSD 5.3 | | | |
186 | | | | OpenBSD 3.6 |
187 | | | NetBSD 2.0 | |
188 | | | | | | | DragonFly 1.2.0
189 | | Mac OS X | | NetBSD 2.0.2 | |
190 | | 10.4 | | | | |
191 | FreeBSD 5.4 | | | | | |
192 | | | | | | OpenBSD 3.7 |
193 | | | | | NetBSD 2.0.3 | |
194 | | | | | | | |
195 *--FreeBSD | | | | v OpenBSD 3.8 |
196 | 6.0 | | | | | |
197 | | | | | \ | |
198 | | | | | NetBSD 2.1 | |
199 | | | | | | |
200 | | | | NetBSD 3.0 | |
201 | | | | | | DragonFly 1.4.0
202 | | | | | OpenBSD 3.9 |
203 | FreeBSD | | | | |
204 | 6.1 | | | | |
205 | | FreeBSD 5.5 | | | |
206 | V | | | |
207 FreeBSD 7 -current | NetBSD -current OpenBSD -current |
208 | | | | |
209 v v v v v
210
211 Time
212 ----------------
213
214 Time tolerance +/- 6 months, depending on which book/article you read; if it
215 was the announcement in Usenet or if it was available as tape.
216
217 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
218 and John Quarterman. The Design and Implementation of
219 the 4.4BSD Operating System.
220 [APL] Apple website [http://www.apple.com/macosx/]
221 [BSDI] Berkeley Software Design, Inc.
222 [DFB] DragonFlyBSD Project, The.
223 [DOC] README, COPYRIGHT on tape.
224 [FBD] FreeBSD Project, The.
225 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
226 Volume 11, Info 4, April, 1987.
227 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
228 comp.bugs.4bsd.ucb-fixes, June 15, 1988.
229 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
230 Changes in the Kernel in 2.9BSD. Second Berkeley Software
231 Distribution UNIX Version 2.9, July, 1983.
232 [NBD] NetBSD Project, The.
233 [OBD] OpenBSD Project, The.
234 [QCU] Salus, Peter H. A quarter century of UNIX.
235 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
236 [USE] Usenet announcement.
237 [WRS] Wind River Systems, Inc.
238 [dmr] Dennis Ritchie, via E-Mail
239
240 Multics 1965
241 UNIX Summer 1969
242 DEC PDP-7
243 First Edition 1971-11-03 [QCU]
244 DEC PDP-11/20, Assembler
245 Second Edition 1972-06-12 [QCU]
246 10 UNIX installations
247 Third Edition 1973-02-xx [QCU]
248 Pipes, 16 installations
249 Fourth Edition 1973-11-xx [QCU]
250 rewriting in C effected,
251 above 30 installations
252 Fifth Edition 1974-06-xx [QCU]
253 above 50 installations
254 Sixth Edition 1975-05-xx [QCU]
255 port to DEC Vax
256 Seventh Edition 1979-01-xx [QCU]
257 first portable UNIX
258 Eighth Edition 1985-02-xx [QCU]
259 VAX 11/750, VAX 11/780 [dmr]
260 descended from 4.1c BSD [dmr]
261 descended from 4.1 BSD [44B]
262 scooping-out and replacement of the character-device
263 and networking part by the streams mechanism
264
265 Ninth Edition 1986-09-xx [QCU]
266 Tenth Edition 1989-10-xx [QCU]
267
268 1BSD late 1977
269 1978-03-09 [QCU]
270 PDP-11, Pascal, ex(1)
271 30 free copies of 1BSD sent out
272 35 tapes sold for 50 USD [QCU]
273 2BSD mid 1978 [QCU]
274 75 2BSD tapes shipped
275 2.7.9BSD ?? [SMS]
276 2.8BSD 1981-07-xx [KSJ]
277
278 2.8.1BSD 1982-01-xx [QCU]
279 set of performance improvements
280 2.9BSD 1983-07-xx [KSJ]
281 2.9.1BSD 1983-11-xx
282 2.9BSD-Seismo 1985-08-xx [SMS]
283 2.10BSD 1987-04-xx [KKK]
284 2.10.1BSD 1989-01-xx [SMS]
285 2.11BSD 1992-02-xx [SMS]
286 2.11BSD rev #430 1999-12-13 [SMS]
287
288 32V 1978-1[01]-xx [QCU]
289 3BSD late 1979 [QCU]
290 virtual memory, page replacement,
291 demand paging
292 4.0BSD 1980-10-xx
293 4.1BSD 1981-07-08 [DOC]
294 4.1aBSD 1982-04-xx
295 alpha release, 100 sites, networking [44B]
296 4.1bBSD internal release, fast filesystem [44B]
297 4.1cBSD late 1982
298 beta release, IPC [44B]
299 4.2BSD 1983-09-xx [QCU]
300 1983-08-03 [DOC]
301 4.3BSD 1986-06-xx [QCU]
302 1986-04-05 [KB], [DOC]
303 4.3BSD Tahoe 1988-06-15 [QCU], [DOC]
304 4.3BSD NET/1 1988-11-xx [QCU]
305 1989-01-01 [DOC]
306 4.3BSD Reno 1990-06-29 [QCU], [DOC]
307 4.3BSD NET/2 1991-06-28 [QCU], [DOC]
308
309 BSD/386 ALPHA 1991-12-xx [BSDI]
310 first code released to people outside BSDI
311 386BSD 0.0 1992-02-xx [DOC]
312 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers
313 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version
314 386BSD 0.1 1992-07-28 [DOC]
315 4.4BSD Alpha 1992-07-07
316 BSD/386 0.9.3 1992-10-xx [BSDI]
317 first external gamma; G customers
318 BSD/386 0.9.4 1992-12-xx [BSDI]
319 would have been 1.0 except for request
320 for preliminary injunction
321 BSD/386 1.0 1993-03-xx [BSDI]
322 injunction denied; first official release
323 NetBSD 0.8 1993-04-20 [NBD]
324 4.4BSD 1993-06-01 [USE]
325 NetBSD 0.9 1993-08-23 [NBD]
326 FreeBSD 1.0 1993-11-01 [FBD]
327 BSD/386 1.1 1994-02-xx [BSDI]
328 4.4BSD Lite 1994-03-01 [USE]
329 FreeBSD 1.1 1994-05-07 [FBD]
330 FreeBSD 1.1.5 1994-06-30 [FBD]
331 FreeBSD 1.1.5.1 1994-07-05 [FBD]
332 supersedes 1.1.5 5 days after release.
333 NetBSD 1.0 1994-10-26 [NBD]
334 386BSD 1.0 1994-11-12 [USE]
335 FreeBSD 2.0 1994-11-23 [FBD]
336 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
337 FreeBSD 2.0.5 1995-06-10 [FBD]
338 BSD/OS 2.0.1 1995-06-xx [BSDI]
339 4.4BSD Lite Release 2 1995-06-xx [44B]
340 the true final distribution from the CSRG
341 FreeBSD 2.1.0 1995-11-19 [FBD]
342 NetBSD 1.1 1995-11-26 [NBD]
343 BSD/OS 2.1 1996-01-xx [BSDI]
344 FreeBSD 2.1.5 1996-07-14 [FBD]
345 NetBSD 1.2 1996-10-04 [NBD]
346 OpenBSD 2.0 1996-10-18 [OBD]
347 FreeBSD 2.1.6 1996-11-16 [FBD]
348 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
349 Rhapsody 1997-xx-xx
350 FreeBSD 2.1.7 1997-02-20 [FBD]
351 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
352 FreeBSD 2.2.0 1997-03-16 [FBD]
353 FreeBSD 2.2.1 1997-03-25 [FBD]
354 FreeBSD 2.2.2 1997-05-16 [FBD]
355 NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
356 OpenBSD 2.1 1997-06-01 [OBD]
357 FreeBSD 2.2.5 1997-10-22 [FBD]
358 OpenBSD 2.2 1997-12-01 [OBD]
359 NetBSD 1.3 1998-01-04 [NBD]
360 FreeBSD 2.2.6 1998-03-25 [FBD]
361 NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
362 BSD/OS 3.1 1998-03-xx [BSDI]
363 OpenBSD 2.3 1998-05-19 [OBD]
364 NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
365 FreeBSD 2.2.7 1998-07-22 [FBD]
366 BSD/OS 4.0 1998-08-xx [BSDI]
367 2-lock MP support, ELF executables
368 FreeBSD 3.0 1998-10-16 [FBD]
369 FreeBSD-3.0 is a snapshot from -current,
370 while 3.1 and 3.2 are from 3.x-stable which
371 was branched quite some time after 3.0-release
372 FreeBSD 2.2.8 1998-11-29 [FBD]
373 OpenBSD 2.4 1998-12-01 [OBD]
374 NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
375 FreeBSD 3.1 1999-02-15 [FBD]
376 BSD/OS 4.0.1 1999-03-xx [BSDI]
377 NetBSD 1.4 1999-05-12 [NBD]
378 FreeBSD 3.2 1999-05-17 [FBD]
379 OpenBSD 2.5 1999-05-19 [OBD]
380 NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
381 FreeBSD 3.3 1999-09-17 [FBD]
382 OpenBSD 2.6 1999-12-01 [OBD]
383 FreeBSD 3.4 1999-12-20 [FBD]
384 BSD/OS 4.1 1999-12-xx [BSDI]
385 FreeBSD 4.0 2000-03-13 [FBD]
386 NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
387 OpenBSD 2.7 2000-06-15 [OBD]
388 FreeBSD 3.5 2000-06-24 [FBD]
389 FreeBSD 4.1 2000-07-27 [FBD]
390 FreeBSD 3.5.1 2000-07-28 [FBD]
391 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
392 FreeBSD 4.2 2000-11-21 [FBD]
393 NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
394 BSD/OS 4.2 2000-11-29 [BSDI]
395 OpenBSD 2.8 2000-12-01 [OBD]
396 NetBSD 1.5 2000-12-06 [NBD]
397 Mac OS X 10.0 2001-03-24 [APL]
398 FreeBSD 4.3 2001-04-20 [FBD]
399 OpenBSD 2.9 2001-06-01 [OBD]
400 NetBSD 1.5.1 2001-07-11 [NBD] (patch release)
401 NetBSD 1.5.2 2001-09-13 [NBD] (patch release)
402 FreeBSD 4.4 2001-09-18 [FBD]
403 Mac OS X 10.1 2001-09-29 [APL]
404 OpenBSD 3.0 2001-12-01 [OBD]
405 FreeBSD 4.5 2002-01-29 [FBD]
406 BSD/OS 4.3 2002-03-14 [WRS]
407 OpenBSD 3.1 2002-05-19 [OBD]
408 FreeBSD 4.6 2002-06-15 [FBD]
409 NetBSD 1.5.3 2002-07-22 [NBD] (patch release)
410 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release)
411 Mac OS X 10.2 2002-08-23 [APL]
412 NetBSD 1.6 2002-09-14 [NBD]
413 FreeBSD 4.7 2002-10-08 [FBD]
414 OpenBSD 3.2 2002-11-01 [OBD]
415 FreeBSD 5.0 2003-01-17 [FBD]
416 FreeBSD 5.0 is a separate branch off of
417 -current, similar to 3.0.
418 FreeBSD 4.8 2003-04-03 [FBD]
419 NetBSD 1.6.1 2003-04-21 [NBD] (patch release)
420 OpenBSD 3.3 2003-05-01 [OBD]
421 BSD/OS 5.0 2003-05-?? [WRS]
422 FreeBSD 5.1 2003-06-09 [FBD]
423 Mac OS X 10.3 2003-10-24 [APL]
424 FreeBSD 4.9 2003-10-28 [FBD]
425 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version)
426 OpenBSD 3.4 2003-11-01 [OBD]
427 FreeBSD 5.2 2004-01-12 [FBD]
428 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release)
429 NetBSD 1.6.2 2004-03-01 [NBD] (patch release)
430 OpenBSD 3.5 2004-04-01 [OBD]
431 FreeBSD 4.10 2004-05-27 [FBD]
432 DragonFly 1.0 2004-07-12 [DFB]
433 OpenBSD 3.6 2004-10-29 [OBD]
434 FreeBSD 5.3 2004-11-06 [FBD]
435 NetBSD 2.0 2004-12-09 [NBD]
436 FreeBSD 4.11 2005-01-25 [FBD]
437 DragonFly 1.2.0 2005-04-08 [DFB]
438 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release)
439 Mac OS X 10.4 2005-04-29 [APL]
440 FreeBSD 5.4 2005-05-09 [FBD]
441 OpenBSD 3.7 2005-05-19 [OBD]
442 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release)
443 OpenBSD 3.8 2005-11-01 [OBD]
444 FreeBSD 6.0 2005-11-01 [FBD]
445 NetBSD 2.1 2005-11-02 [NBD]
446 NetBSD 3.0 2005-12-23 [NBD]
447 DragonFly 1.4.0 2006-01-08 [DFB]
448 OpenBSD 3.9 2006-05-01 [OBD]
449 FreeBSD 6.1 2006-05-08 [FBD]
450 FreeBSD 5.5 2006-05-25 [FBD]
451
452 Bibliography
453 ------------------------
454
455 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
456 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
457 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
458
459 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
460 Company, Inc., 1994. ISBN 0-201-54777-5
461
462 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
463 Quarterman. The Design and Implementation of the 4.4BSD Operating
464 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
465
466 McKusick, Marshall Kirk, George Neville-Neil. The Design and
467 Implementation of the FreeBSD Operating System.
468 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
469
470 Doug McIlroy. Research Unix Reader.
471
472 Michael G. Brown. The Role of BSD in the Development of Unix.
473 Presented to the Tasmanian Unix Special Interest Group of the
474 Australian Computer Society, Hobart, August 1993.
475
476 Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
477 URL: http://www.byte.com/art/9410/sec8/art3.htm
478
479 Andreas Klemm, Lars Kller. If you're going to San Francisco ...
480 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
481
482 BSD Release Announcements collection.
483 URL: http://www.de.FreeBSD.org/de/ftp/releases/
484
485 BSD Hypertext Man Pages
486 URL: http://www.FreeBSD.org/cgi/man.cgi
487
488 UNIX history graphing project
489 URL: http://minnie.tuhs.org/Unix_History/index.html
490
491 UNIX history
492 URL: http://www.levenez.com/unix/
493
494 James Howard: The BSD Family Tree
495 URL: http://ezine.daemonnews.org/200104/bsd_family.html
496 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
497
498
499 Acknowledgments
500 ---------------
501
502 Josh Gilliam for suggestions, bug fixes, and finding very old
503 original BSD announcements from Usenet or tapes.
504
505 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
506
507 --
508 Copyright (c) 1997-2004 Wolfram Schneider <wosch (a] FreeBSD.ORG>
509 URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
510
511 $FreeBSD: src/share/misc/bsd-family-tree,v 1.105 2006/05/26 13:19:46 maxim Exp $
512