bsd-family-tree revision 1.10 1 1.6 itojun The UNIX system family tree: Research and BSD
2 1.6 itojun ---------------------------------------------
3 1.1 abs
4 1.1 abs First Edition (V1)
5 1.1 abs |
6 1.1 abs Second Edition (V2)
7 1.1 abs |
8 1.1 abs Third Edition (V3)
9 1.1 abs |
10 1.1 abs Fourth Edition (V4)
11 1.1 abs |
12 1.1 abs Fifth Edition (V5)
13 1.1 abs |
14 1.1 abs Sixth Edition (V6) -----*
15 1.1 abs \ |
16 1.1 abs \ |
17 1.1 abs \ |
18 1.1 abs Seventh Edition (V7) |
19 1.1 abs \ |
20 1.1 abs \ 1BSD
21 1.1 abs 32V |
22 1.1 abs \ 2BSD---------------*
23 1.1 abs \ / |
24 1.1 abs \ / |
25 1.1 abs \/ |
26 1.1 abs 3BSD |
27 1.1 abs | |
28 1.1 abs 4.0BSD 2.7.9BSD
29 1.1 abs | |
30 1.6 itojun 4.1BSD --------------> 2.8BSD
31 1.6 itojun | |
32 1.6 itojun 4.1aBSD -----------\ |
33 1.6 itojun | \ |
34 1.6 itojun 4.1bBSD \ |
35 1.6 itojun | \ |
36 1.6 itojun *------ 4.1cBSD --------------> 2.9BSD
37 1.6 itojun / | |
38 1.6 itojun Eighth Edition | 2.9BSD-Seismo
39 1.1 abs | | |
40 1.1 abs +----<--- 4.2BSD 2.9.1BSD
41 1.1 abs | | |
42 1.1 abs +----<--- 4.3BSD -------------> 2.10BSD
43 1.1 abs | | / |
44 1.1 abs Ninth Edition | / 2.10.1BSD
45 1.1 abs | 4.3BSD Tahoe-----+ |
46 1.1 abs | | \ |
47 1.1 abs | | \ |
48 1.1 abs v | 2.11BSD
49 1.1 abs Tenth Edition | |
50 1.6 itojun | 2.11BSD rev #430
51 1.1 abs 4.3BSD NET/1 |
52 1.1 abs | v
53 1.1 abs 4.3BSD Reno
54 1.1 abs |
55 1.1 abs *---------- 4.3BSD NET/2 -------------------+-------------*
56 1.1 abs | | | |
57 1.7 itojun 386BSD 0.0 | | BSD/386 ALPHA
58 1.1 abs | | | |
59 1.7 itojun 386BSD 0.1 ------------>+ | BSD/386 0.3.[13]
60 1.1 abs | \ | 4.4BSD Alpha |
61 1.7 itojun | 386BSD 1.0 | | BSD/386 0.9.[34]
62 1.1 abs | | 4.4BSD |
63 1.1 abs | | / | |
64 1.1 abs | | 4.4BSD-Encumbered | |
65 1.7 itojun | NetBSD 0.8 | BSD/386 1.0
66 1.1 abs | | | |
67 1.7 itojun FreeBSD 1.0 NetBSD 0.9 | BSD/386 1.1
68 1.7 itojun | | .----- 4.4BSD Lite |
69 1.7 itojun FreeBSD 1.1 | / / | \ |
70 1.7 itojun | | / / | \ |
71 1.7 itojun FreeBSD 1.1.5 .---|--------' / | \ |
72 1.7 itojun | / | / | \ |
73 1.7 itojun FreeBSD 1.1.5.1 / | / | \ |
74 1.7 itojun | / NetBSD 1.0 <-' | \ |
75 1.7 itojun | / | | \ |
76 1.7 itojun FreeBSD 2.0 <--' | | BSD/OS 2.0
77 1.7 itojun | \ | |
78 1.7 itojun FreeBSD 2.0.5 \ | BSD/OS 2.0.1
79 1.7 itojun | \ .--- 4.4BSD Lite2 |
80 1.7 itojun | \ | | | | |
81 1.7 itojun | | FreeBSD 3.0 | | | |
82 1.7 itojun | | NetBSD 1.3 | | |
83 1.7 itojun | | OpenBSD 2.3 | |
84 1.7 itojun | | BSD/OS 3.0 |
85 1.7 itojun FreeBSD 2.1 | |
86 1.7 itojun | | NetBSD 1.1 ------. BSD/OS 2.1
87 1.7 itojun | FreeBSD 2.1.5 | \ |
88 1.7 itojun | | NetBSD 1.2 \ BSD/OS 3.0
89 1.7 itojun | FreeBSD 2.1.6 | \ OpenBSD 2.0 |
90 1.7 itojun | | | \ | |
91 1.7 itojun | FreeBSD 2.1.6.1 | \ | |
92 1.7 itojun | | | \ | |
93 1.7 itojun | FreeBSD 2.1.7 | | | |
94 1.7 itojun | | | NetBSD 1.2.1 | |
95 1.7 itojun | FreeBSD 2.1.7.1 | | |
96 1.7 itojun | | | |
97 1.7 itojun | | | |
98 1.7 itojun *-FreeBSD 2.2 | | |
99 1.7 itojun | \ | | |
100 1.7 itojun | FreeBSD 2.2.1 | | |
101 1.7 itojun | | | | |
102 1.7 itojun | FreeBSD 2.2.2 | OpenBSD 2.1 |
103 1.7 itojun | | | | |
104 1.7 itojun | FreeBSD 2.2.5 | | |
105 1.7 itojun | | | OpenBSD 2.2 |
106 1.7 itojun | | NetBSD 1.3 | |
107 1.7 itojun | FreeBSD 2.2.6 | | | |
108 1.7 itojun | | | NetBSD 1.3.1 | BSD/OS 3.1
109 1.7 itojun | | | | OpenBSD 2.3 |
110 1.7 itojun | | | NetBSD 1.3.2 | |
111 1.7 itojun | FreeBSD 2.2.7 | | | |
112 1.7 itojun | | | | | BSD/OS 4.0
113 1.7 itojun | FreeBSD 2.2.8 | | | |
114 1.7 itojun | | | | |
115 1.7 itojun | | | OpenBSD 2.4 |
116 1.10 jhawk FreeBSD 3.0 | | | |
117 1.7 itojun | | NetBSD 1.3.3 | |
118 1.7 itojun *---FreeBSD 3.1 | | |
119 1.7 itojun | | | | BSD/OS 4.0.1
120 1.7 itojun | FreeBSD 3.2 NetBSD 1.4 OpenBSD 2.5 |
121 1.7 itojun | | | | | |
122 1.7 itojun | FreeBSD 3.3 | NetBSD 1.4.1 | |
123 1.7 itojun | | | | OpenBSD 2.6 |
124 1.7 itojun | FreeBSD 3.4 | | | |
125 1.7 itojun | | | | | BSD/OS 4.1
126 1.7 itojun FreeBSD 4.0 | | NetBSD 1.4.2 | |
127 1.7 itojun | | | | | |
128 1.7 itojun | | | | | |
129 1.7 itojun | FreeBSD 3.5 | | OpenBSD 2.7 |
130 1.7 itojun | | | | | |
131 1.7 itojun | FreeBSD 3.5.1 | | | |
132 1.7 itojun | | | | |
133 1.7 itojun *---FreeBSD 4.1 | | | |
134 1.7 itojun | | | | | |
135 1.7 itojun | FreeBSD 4.1.1 | | | |
136 1.10 jhawk | | | | | |
137 1.10 jhawk | FreeBSD 4.2 | NetBSD 1.4.3 | |
138 1.10 jhawk | | | | | |
139 1.7 itojun | | | v | |
140 1.7 itojun | | | OpenBSD 2.8 BSD/OS 4.2
141 1.8 itojun | | NetBSD 1.5 | |
142 1.8 itojun | FreeBSD 4.3 | | | v
143 1.10 jhawk | | | | OpenBSD 2.9
144 1.8 itojun | | | NetBSD 1.5.1 |
145 1.10 jhawk | v | | |
146 1.10 jhawk | | NetBSD 1.5.2 |
147 1.10 jhawk | | | |
148 1.10 jhawk | | v |
149 1.6 itojun | | |
150 1.6 itojun FreeBSD 5.0-current NetBSD -current OpenBSD -current
151 1.6 itojun | | |
152 1.6 itojun v v v
153 1.1 abs
154 1.1 abs
155 1.1 abs Time
156 1.1 abs ----------------
157 1.1 abs
158 1.7 itojun Time tolerance +/- 6 months, depending on which book/article you read; if it
159 1.7 itojun was the announcement in Usenet or if it was available as tape.
160 1.1 abs
161 1.1 abs [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
162 1.1 abs and John Quarterman. The Design and Implementation of
163 1.1 abs the 4.4BSD Operating System.
164 1.1 abs [DOC] README, COPYRIGHT on tape.
165 1.1 abs [QCU] Salus, Peter H. A quarter century of UNIX.
166 1.1 abs [U25] Peter H. Salus. Unix at 25.
167 1.1 abs [USE] Usenet announcement.
168 1.1 abs [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
169 1.1 abs Changes in the Kernel in 2.9BSD. Second Berkeley Software
170 1.1 abs Distribution UNIX Version 2.9, July, 1983.
171 1.1 abs [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
172 1.1 abs Volume 11, Info 4, April, 1987.
173 1.1 abs [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
174 1.1 abs comp.bugs.4bsd.ucb-fixes, June 15, 1988.
175 1.1 abs [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
176 1.1 abs [FBD] FreeBSD Project, The.
177 1.1 abs [NBD] NetBSD Project, The.
178 1.1 abs [OBD] OpenBSD Project, The.
179 1.1 abs [dmr] Dennis Ritchie, via E-Mail
180 1.7 itojun [BSDI] Berkeley Software Design, Inc.
181 1.1 abs
182 1.1 abs Multics 1965
183 1.6 itojun UNIX Summer 1969
184 1.1 abs DEC PDP-7
185 1.1 abs First Edition 1971-11-03 [QCU]
186 1.1 abs DEC PDP-11/20, Assembler
187 1.1 abs Second Edition 1972-06-12 [QCU]
188 1.6 itojun 10 UNIX installations
189 1.1 abs Third Edition 1973-02-xx [QCU]
190 1.1 abs Pipes, 16 installations
191 1.1 abs Fourth Edition 1973-11-xx [QCU]
192 1.1 abs rewriting in C effected,
193 1.1 abs above 30 installations
194 1.1 abs Fifth Edition 1974-06-xx [QCU]
195 1.1 abs above 50 installations
196 1.1 abs Sixth Edition 1975-05-xx [QCU]
197 1.1 abs port to DEC Vax
198 1.1 abs Seventh Edition 1979-01-xx [QCU]
199 1.6 itojun first portable UNIX
200 1.6 itojun Eighth Edition 1985-02-xx [QCU]
201 1.1 abs VAX 11/750, VAX 11/780 [dmr]
202 1.1 abs descended from 4.1c BSD [dmr]
203 1.1 abs descended from 4.1 BSD [44B]
204 1.7 itojun scooping-out and replacement of the character-device
205 1.1 abs and networking part by the streams mechanism
206 1.1 abs
207 1.1 abs Ninth Edition 1986-09-xx [QCU]
208 1.1 abs Tenth Edition 1989-10-xx [QCU]
209 1.1 abs
210 1.1 abs 1BSD late 1977
211 1.1 abs 1978-03-09 [QCU]
212 1.1 abs PDP-11, Pascal, ex(1)
213 1.1 abs 30 free copies of 1BSD sent out
214 1.1 abs 35 tapes sold for 50 USD [QCU]
215 1.1 abs 2BSD mid 1978 [QCU]
216 1.1 abs 75 2BSD tapes shipped
217 1.1 abs 2.7.9BSD ?? [SMS]
218 1.1 abs 2.8BSD 1981-07-xx [KSJ]
219 1.1 abs
220 1.1 abs 2.8.1BSD 1982-01-xx [QCU]
221 1.1 abs set of performance improvements
222 1.1 abs 2.9BSD 1983-07-xx [KSJ]
223 1.1 abs 2.9.1BSD 1983-11-xx
224 1.1 abs 2.9BSD-Seismo 1985-08-xx [SMS]
225 1.1 abs 2.10BSD 1987-04-xx [KKK]
226 1.1 abs 2.10.1BSD 1989-01-xx [SMS]
227 1.1 abs 2.11BSD 1992-02-xx [SMS]
228 1.6 itojun 2.11BSD rev #430 1999-12-13 [SMS]
229 1.1 abs
230 1.1 abs 32V 1978-1[01]-xx [QCU]
231 1.1 abs 3BSD late 1979 [QCU]
232 1.1 abs virtual memory, page replacement,
233 1.1 abs demand paging
234 1.1 abs 4.0BSD 1980-10-xx
235 1.1 abs 4.1BSD 1981-06-xx
236 1.1 abs 4.1aBSD 1982-04-xx
237 1.1 abs alpha release, 100 sites, networking [44B]
238 1.1 abs 4.1bBSD internal release, fast filesystem [44B]
239 1.1 abs 4.1cBSD late 1982
240 1.1 abs beta release, IPC [44B]
241 1.1 abs 4.2BSD 1983-09-xx [QCU]
242 1.1 abs 4.3BSD 1986-06-xx [QCU]
243 1.1 abs 1986-04-xx [KB]
244 1.1 abs 4.3BSD Tahoe 1988-06-xx [QCU]
245 1.1 abs 4.3BSD NET/1 1988-11-xx [QCU]
246 1.1 abs 4.3BSD Reno 1990-06-xx [QCU], [DOC]
247 1.1 abs 4.3BSD NET/2 1991-06-xx [QCU]
248 1.7 itojun
249 1.7 itojun BSD/386 ALPHA 1991-12-xx [BSDI]
250 1.7 itojun first code released to people outside BSDI
251 1.1 abs 386BSD 0.0 1992-02-xx [DOC]
252 1.7 itojun BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers
253 1.7 itojun BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version
254 1.7 itojun 386BSD 0.1 1992-07-28 [DOC]
255 1.1 abs 4.4BSD Alpha 1992-07-07
256 1.7 itojun BSD/386 0.9.3 1992-10-xx [BSDI]
257 1.7 itojun first external gamma; G customers
258 1.7 itojun BSD/386 0.9.4 1992-12-xx [BSDI]
259 1.7 itojun would have been 1.0 except for request
260 1.7 itojun for preliminary injunction
261 1.7 itojun BSD/386 1.0 1993-03-xx [BSDI]
262 1.7 itojun injunction denied; first official release
263 1.6 itojun NetBSD 0.8 1993-04-20 [NBD]
264 1.1 abs 4.4BSD 1993-06-01 [USE]
265 1.1 abs NetBSD 0.9 1993-08-23 [NBD]
266 1.8 itojun FreeBSD 1.0 1993-11-01 [FBD]
267 1.7 itojun BSD/386 1.1 1994-02-xx [BSDI]
268 1.1 abs 4.4BSD Lite 1994-03-01 [USE]
269 1.6 itojun FreeBSD 1.1 1994-04-xx [FBD]
270 1.6 itojun FreeBSD 1.1.5.1 1994-07-xx [FBD]
271 1.6 itojun supersedes 1.1.5 3 days after release.
272 1.6 itojun NetBSD 1.0 1994-10-26 [NBD]
273 1.1 abs 386BSD 1.0 1994-11-12 [USE]
274 1.6 itojun FreeBSD 2.0 1995-01-xx [FBD]
275 1.7 itojun BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
276 1.7 itojun FreeBSD 2.0.5 1995-06-10 [FBD]
277 1.7 itojun BSD/OS 2.0.1 1995-06-xx [BSDI]
278 1.6 itojun 4.4BSD Lite Release 2 1995-06-xx [44B]
279 1.6 itojun the true final distribution from the CSRG
280 1.7 itojun FreeBSD 2.1.0 1995-11-19 [FBD]
281 1.1 abs NetBSD 1.1 1995-11-26 [NBD]
282 1.7 itojun BSD/OS 2.1 1996-01-xx [BSDI]
283 1.7 itojun FreeBSD 2.1.5 1996-07-14 [FBD]
284 1.1 abs NetBSD 1.2 1996-10-04 [NBD]
285 1.1 abs OpenBSD 2.0 1996-10-18 [OBD]
286 1.7 itojun FreeBSD 2.1.6 1996-11-16 [FBD]
287 1.7 itojun FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
288 1.7 itojun FreeBSD 2.1.7 1997-02-20 [FBD]
289 1.7 itojun BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
290 1.7 itojun FreeBSD 2.2.0 1997-03-16 [FBD]
291 1.7 itojun FreeBSD 2.2.1 1997-03-25 [FBD]
292 1.7 itojun FreeBSD 2.2.2 1997-05-16 [FBD]
293 1.6 itojun NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
294 1.1 abs OpenBSD 2.1 1997-06-01 [OBD]
295 1.7 itojun FreeBSD 2.2.5 1997-10-22 [FBD]
296 1.1 abs OpenBSD 2.2 1997-12-01 [OBD]
297 1.5 abs NetBSD 1.3 1998-01-04 [NBD]
298 1.7 itojun FreeBSD 2.2.6 1998-03-25 [FBD]
299 1.6 itojun NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
300 1.7 itojun BSD/OS 3.1 1998-03-xx [BSDI]
301 1.1 abs OpenBSD 2.3 1998-05-19 [OBD]
302 1.6 itojun NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
303 1.7 itojun FreeBSD 2.2.7 1998-07-22 [FBD]
304 1.7 itojun BSD/OS 4.0 1998-08-xx [BSDI]
305 1.7 itojun 2-lock MP support, ELF executables
306 1.6 itojun FreeBSD 3.0 1998-10-16 [FBD]
307 1.7 itojun FreeBSD-3.0 is a snapshot from -current,
308 1.7 itojun while 3.1 and 3.2 are from 3.x-stable which
309 1.6 itojun was branched quite some time after 3.0-release
310 1.1 abs FreeBSD 2.2.8 1998-11-29 [FBD]
311 1.1 abs OpenBSD 2.4 1998-12-01 [OBD]
312 1.6 itojun NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
313 1.6 itojun FreeBSD 3.1 1999-02-15 [FBD]
314 1.7 itojun BSD/OS 4.0.1 1999-03-xx [BSDI]
315 1.4 abs NetBSD 1.4 1999-05-12 [NBD]
316 1.6 itojun FreeBSD 3.2 1999-05-17 [FBD]
317 1.4 abs OpenBSD 2.5 1999-05-19 [OBD]
318 1.6 itojun NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
319 1.6 itojun FreeBSD 3.3 1999-09-17 [FBD]
320 1.6 itojun OpenBSD 2.6 1999-12-01 [OBD]
321 1.6 itojun FreeBSD 3.4 1999-12-20 [FBD]
322 1.7 itojun BSD/OS 4.1 1999-12-xx [BSDI]
323 1.6 itojun FreeBSD 4.0 2000-03-13 [FBD]
324 1.6 itojun NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
325 1.6 itojun OpenBSD 2.7 2000-06-15 [OBD]
326 1.6 itojun FreeBSD 3.5 2000-06-24 [FBD]
327 1.6 itojun FreeBSD 4.1 2000-07-27 [FBD]
328 1.6 itojun FreeBSD 3.5.1 2000-07-28 [FBD]
329 1.6 itojun FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
330 1.7 itojun FreeBSD 4.2 2000-11-21 [FBD]
331 1.7 itojun NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
332 1.7 itojun BSD/OS 4.2 2000-11-29 [BSDI]
333 1.7 itojun OpenBSD 2.8 2000-12-01 [OBD]
334 1.7 itojun NetBSD 1.5 2000-12-06 [NBD]
335 1.8 itojun FreeBSD 4.3 2001-04-20 [FBD]
336 1.8 itojun OpenBSD 2.9 2001-06-01 [OBD]
337 1.10 jhawk NetBSD 1.5.1 2001-06-11 [NBD] (patch release)
338 1.10 jhawk NetBSD 1.5.2 2001-08-17 [NBD] (patch release)
339 1.1 abs
340 1.1 abs
341 1.1 abs Bibliography
342 1.1 abs ------------------------
343 1.1 abs
344 1.1 abs Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
345 1.1 abs Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
346 1.1 abs System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
347 1.1 abs
348 1.1 abs Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
349 1.1 abs Company, Inc., 1994. ISBN 0-201-54777-5
350 1.1 abs
351 1.1 abs McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
352 1.1 abs Quarterman. The Design and Implementation of the 4.4BSD Operating
353 1.1 abs System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
354 1.1 abs
355 1.1 abs Doug McIlroy. Research Unix Reader.
356 1.1 abs
357 1.1 abs Michael G. Brown. The Role of BSD in the Development of Unix.
358 1.1 abs Presented to the Tasmanian Unix Special Interest Group of the
359 1.1 abs Australian Computer Society, Hobart, August 1993.
360 1.1 abs
361 1.6 itojun Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
362 1.9 itojun URL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable)
363 1.1 abs
364 1.1 abs Andreas Klemm, Lars Kller. If you're going to San Francisco ...
365 1.1 abs Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
366 1.1 abs
367 1.1 abs BSD Release Announcements collection.
368 1.6 itojun URL: http://www.de.FreeBSD.org/de/ftp/releases/
369 1.1 abs
370 1.1 abs BSD Hypertext Man Pages
371 1.9 itojun URL: http://www.FreeBSD.org/cgi/man.cgi
372 1.6 itojun
373 1.6 itojun UNIX history graphing project
374 1.9 itojun URL: http://minnie.tuhs.org/Unix_History/index.html
375 1.6 itojun
376 1.6 itojun UNIX history
377 1.9 itojun URL: http://perso.wanadoo.fr/levenez/unix/
378 1.1 abs
379 1.8 itojun James Howard: The BSD Family Tree
380 1.9 itojun URL: http://www.daemonnews.org/200104/bsd_family.html
381 1.8 itojun ("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
382 1.8 itojun
383 1.8 itojun
384 1.1 abs Acknowledgments
385 1.1 abs ---------------
386 1.1 abs
387 1.6 itojun Josh Gilliam for suggestions, bug fixes, and finding very old
388 1.1 abs original BSD announcements from Usenet or tapes.
389 1.1 abs
390 1.1 abs Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
391 1.1 abs
392 1.1 abs --
393 1.8 itojun Copyright (c) 1997-2001 Wolfram Schneider <wosch (a] FreeBSD.ORG>
394 1.7 itojun URL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree
395 1.1 abs
396 1.9 itojun $FreeBSD: /c/ncvs/src/share/misc/bsd-family-tree,v 1.49 2001/07/11 23:57:16 itojun Exp $
397 1.1 abs
398 1.10 jhawk $NetBSD: bsd-family-tree,v 1.10 2001/11/25 07:31:21 jhawk Exp $
399