bsd-family-tree revision 1.5.8.2 1 1.5.8.1 itojun The UNIX system family tree: Research and BSD
2 1.5.8.1 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 1.5.8.1 itojun 4.1BSD --------------> 2.8BSD
31 1.5.8.1 itojun | |
32 1.5.8.1 itojun 4.1aBSD -----------\ |
33 1.5.8.1 itojun | \ |
34 1.5.8.1 itojun 4.1bBSD \ |
35 1.5.8.1 itojun | \ |
36 1.5.8.1 itojun *------ 4.1cBSD --------------> 2.9BSD
37 1.5.8.1 itojun / | |
38 1.5.8.1 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 1.5.8.1 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 1.5.8.2 he 386BSD 0.0 | | BSD/386 ALPHA
58 1.1 abs | | | |
59 1.5.8.2 he 386BSD 0.1 ------------>+ | BSD/386 0.3.[13]
60 1.1 abs | \ | 4.4BSD Alpha |
61 1.5.8.2 he | 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 1.5.8.2 he | NetBSD 0.8 | BSD/386 1.0
66 1.1 abs | | | |
67 1.5.8.2 he FreeBSD 1.0 NetBSD 0.9 | BSD/386 1.1
68 1.5.8.2 he | | .----- 4.4BSD Lite |
69 1.5.8.2 he FreeBSD 1.1 | / / | \ |
70 1.5.8.2 he | | / / | \ |
71 1.5.8.2 he FreeBSD 1.1.5 .---|--------' / | \ |
72 1.5.8.2 he | / | / | \ |
73 1.5.8.2 he FreeBSD 1.1.5.1 / | / | \ |
74 1.5.8.2 he | / NetBSD 1.0 <-' | \ |
75 1.5.8.2 he | / | | \ |
76 1.5.8.2 he FreeBSD 2.0 <--' | | BSD/OS 2.0
77 1.5.8.2 he | \ | |
78 1.5.8.2 he FreeBSD 2.0.5 \ | BSD/OS 2.0.1
79 1.5.8.2 he | \ .--- 4.4BSD Lite2 |
80 1.5.8.2 he | \ | | | | |
81 1.5.8.2 he | | FreeBSD 3.0 | | | |
82 1.5.8.2 he | | NetBSD 1.3 | | |
83 1.5.8.2 he | | OpenBSD 2.3 | |
84 1.5.8.2 he | | BSD/OS 3.0 |
85 1.5.8.2 he FreeBSD 2.1 | |
86 1.5.8.2 he | | NetBSD 1.1 ------. BSD/OS 2.1
87 1.5.8.2 he | FreeBSD 2.1.5 | \ |
88 1.5.8.2 he | | NetBSD 1.2 \ BSD/OS 3.0
89 1.5.8.2 he | FreeBSD 2.1.6 | \ OpenBSD 2.0 |
90 1.5.8.2 he | | | \ | |
91 1.5.8.2 he | FreeBSD 2.1.6.1 | \ | |
92 1.5.8.2 he | | | \ | |
93 1.5.8.2 he | FreeBSD 2.1.7 | | | |
94 1.5.8.2 he | | | NetBSD 1.2.1 | |
95 1.5.8.2 he | FreeBSD 2.1.7.1 | | |
96 1.5.8.2 he | | | |
97 1.5.8.2 he | | | |
98 1.5.8.2 he *-FreeBSD 2.2 | | |
99 1.5.8.2 he | \ | | |
100 1.5.8.2 he | FreeBSD 2.2.1 | | |
101 1.5.8.2 he | | | | |
102 1.5.8.2 he | FreeBSD 2.2.2 | OpenBSD 2.1 |
103 1.5.8.2 he | | | | |
104 1.5.8.2 he | FreeBSD 2.2.5 | | |
105 1.5.8.2 he | | | OpenBSD 2.2 |
106 1.5.8.2 he | | NetBSD 1.3 | |
107 1.5.8.2 he | FreeBSD 2.2.6 | | | |
108 1.5.8.2 he | | | NetBSD 1.3.1 | BSD/OS 3.1
109 1.5.8.2 he | | | | OpenBSD 2.3 |
110 1.5.8.2 he | | | NetBSD 1.3.2 | |
111 1.5.8.2 he | FreeBSD 2.2.7 | | | |
112 1.5.8.2 he | | | | | BSD/OS 4.0
113 1.5.8.2 he | v | | | |
114 1.5.8.2 he | FreeBSD 2.2.8 | | | |
115 1.5.8.2 he | | | | |
116 1.5.8.2 he | | | OpenBSD 2.4 |
117 1.5.8.2 he FreeBSD 3.0 | v | |
118 1.5.8.2 he | | NetBSD 1.3.3 | |
119 1.5.8.2 he *---FreeBSD 3.1 | | |
120 1.5.8.2 he | | | | BSD/OS 4.0.1
121 1.5.8.2 he | FreeBSD 3.2 NetBSD 1.4 OpenBSD 2.5 |
122 1.5.8.2 he | | | | | |
123 1.5.8.2 he | FreeBSD 3.3 | NetBSD 1.4.1 | |
124 1.5.8.2 he | | | | OpenBSD 2.6 |
125 1.5.8.2 he | FreeBSD 3.4 | | | |
126 1.5.8.2 he | | | | | BSD/OS 4.1
127 1.5.8.2 he FreeBSD 4.0 | | NetBSD 1.4.2 | |
128 1.5.8.2 he | | | | | |
129 1.5.8.2 he | | | | | |
130 1.5.8.2 he | FreeBSD 3.5 | | OpenBSD 2.7 |
131 1.5.8.2 he | | | | | |
132 1.5.8.2 he | FreeBSD 3.5.1 | | | |
133 1.5.8.2 he | | | | |
134 1.5.8.2 he *---FreeBSD 4.1 | | | |
135 1.5.8.2 he | | | | | |
136 1.5.8.2 he | FreeBSD 4.1.1 | | | |
137 1.5.8.2 he | | | v | |
138 1.5.8.2 he | FreeBSD 4.2 | NetBSD 1.4.3 | |
139 1.5.8.2 he | | | OpenBSD 2.8 BSD/OS 4.2
140 1.5.8.2 he | v NetBSD 1.5 | |
141 1.5.8.2 he | | | v
142 1.5.8.1 itojun | | |
143 1.5.8.1 itojun FreeBSD 5.0-current NetBSD -current OpenBSD -current
144 1.5.8.1 itojun | | |
145 1.5.8.1 itojun v v v
146 1.1 abs
147 1.1 abs
148 1.1 abs Time
149 1.1 abs ----------------
150 1.1 abs
151 1.5.8.2 he Time tolerance +/- 6 months, depending on which book/article you read; if it
152 1.5.8.2 he was the announcement in Usenet or if it was available as tape.
153 1.1 abs
154 1.1 abs [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
155 1.1 abs and John Quarterman. The Design and Implementation of
156 1.1 abs the 4.4BSD Operating System.
157 1.1 abs [DOC] README, COPYRIGHT on tape.
158 1.1 abs [QCU] Salus, Peter H. A quarter century of UNIX.
159 1.1 abs [U25] Peter H. Salus. Unix at 25.
160 1.1 abs [USE] Usenet announcement.
161 1.1 abs [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
162 1.1 abs Changes in the Kernel in 2.9BSD. Second Berkeley Software
163 1.1 abs Distribution UNIX Version 2.9, July, 1983.
164 1.1 abs [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
165 1.1 abs Volume 11, Info 4, April, 1987.
166 1.1 abs [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
167 1.1 abs comp.bugs.4bsd.ucb-fixes, June 15, 1988.
168 1.1 abs [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
169 1.1 abs [FBD] FreeBSD Project, The.
170 1.1 abs [NBD] NetBSD Project, The.
171 1.1 abs [OBD] OpenBSD Project, The.
172 1.1 abs [dmr] Dennis Ritchie, via E-Mail
173 1.5.8.2 he [BSDI] Berkeley Software Design, Inc.
174 1.1 abs
175 1.1 abs Multics 1965
176 1.5.8.1 itojun UNIX Summer 1969
177 1.1 abs DEC PDP-7
178 1.1 abs First Edition 1971-11-03 [QCU]
179 1.1 abs DEC PDP-11/20, Assembler
180 1.1 abs Second Edition 1972-06-12 [QCU]
181 1.5.8.1 itojun 10 UNIX installations
182 1.1 abs Third Edition 1973-02-xx [QCU]
183 1.1 abs Pipes, 16 installations
184 1.1 abs Fourth Edition 1973-11-xx [QCU]
185 1.1 abs rewriting in C effected,
186 1.1 abs above 30 installations
187 1.1 abs Fifth Edition 1974-06-xx [QCU]
188 1.1 abs above 50 installations
189 1.1 abs Sixth Edition 1975-05-xx [QCU]
190 1.1 abs port to DEC Vax
191 1.1 abs Seventh Edition 1979-01-xx [QCU]
192 1.5.8.1 itojun first portable UNIX
193 1.5.8.1 itojun Eighth Edition 1985-02-xx [QCU]
194 1.1 abs VAX 11/750, VAX 11/780 [dmr]
195 1.1 abs descended from 4.1c BSD [dmr]
196 1.1 abs descended from 4.1 BSD [44B]
197 1.5.8.2 he scooping-out and replacement of the character-device
198 1.1 abs and networking part by the streams mechanism
199 1.1 abs
200 1.1 abs Ninth Edition 1986-09-xx [QCU]
201 1.1 abs Tenth Edition 1989-10-xx [QCU]
202 1.1 abs
203 1.1 abs 1BSD late 1977
204 1.1 abs 1978-03-09 [QCU]
205 1.1 abs PDP-11, Pascal, ex(1)
206 1.1 abs 30 free copies of 1BSD sent out
207 1.1 abs 35 tapes sold for 50 USD [QCU]
208 1.1 abs 2BSD mid 1978 [QCU]
209 1.1 abs 75 2BSD tapes shipped
210 1.1 abs 2.7.9BSD ?? [SMS]
211 1.1 abs 2.8BSD 1981-07-xx [KSJ]
212 1.1 abs
213 1.1 abs 2.8.1BSD 1982-01-xx [QCU]
214 1.1 abs set of performance improvements
215 1.1 abs 2.9BSD 1983-07-xx [KSJ]
216 1.1 abs 2.9.1BSD 1983-11-xx
217 1.1 abs 2.9BSD-Seismo 1985-08-xx [SMS]
218 1.1 abs 2.10BSD 1987-04-xx [KKK]
219 1.1 abs 2.10.1BSD 1989-01-xx [SMS]
220 1.1 abs 2.11BSD 1992-02-xx [SMS]
221 1.5.8.1 itojun 2.11BSD rev #430 1999-12-13 [SMS]
222 1.1 abs
223 1.1 abs 32V 1978-1[01]-xx [QCU]
224 1.1 abs 3BSD late 1979 [QCU]
225 1.1 abs virtual memory, page replacement,
226 1.1 abs demand paging
227 1.1 abs 4.0BSD 1980-10-xx
228 1.1 abs 4.1BSD 1981-06-xx
229 1.1 abs 4.1aBSD 1982-04-xx
230 1.1 abs alpha release, 100 sites, networking [44B]
231 1.1 abs 4.1bBSD internal release, fast filesystem [44B]
232 1.1 abs 4.1cBSD late 1982
233 1.1 abs beta release, IPC [44B]
234 1.1 abs 4.2BSD 1983-09-xx [QCU]
235 1.1 abs 4.3BSD 1986-06-xx [QCU]
236 1.1 abs 1986-04-xx [KB]
237 1.1 abs 4.3BSD Tahoe 1988-06-xx [QCU]
238 1.1 abs 4.3BSD NET/1 1988-11-xx [QCU]
239 1.1 abs 4.3BSD Reno 1990-06-xx [QCU], [DOC]
240 1.1 abs 4.3BSD NET/2 1991-06-xx [QCU]
241 1.5.8.2 he
242 1.5.8.2 he BSD/386 ALPHA 1991-12-xx [BSDI]
243 1.5.8.2 he first code released to people outside BSDI
244 1.1 abs 386BSD 0.0 1992-02-xx [DOC]
245 1.5.8.2 he BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers
246 1.5.8.2 he BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version
247 1.5.8.2 he 386BSD 0.1 1992-07-28 [DOC]
248 1.1 abs 4.4BSD Alpha 1992-07-07
249 1.5.8.2 he BSD/386 0.9.3 1992-10-xx [BSDI]
250 1.5.8.2 he first external gamma; G customers
251 1.5.8.2 he BSD/386 0.9.4 1992-12-xx [BSDI]
252 1.5.8.2 he would have been 1.0 except for request
253 1.5.8.2 he for preliminary injunction
254 1.5.8.2 he BSD/386 1.0 1993-03-xx [BSDI]
255 1.5.8.2 he injunction denied; first official release
256 1.5.8.1 itojun NetBSD 0.8 1993-04-20 [NBD]
257 1.1 abs 4.4BSD 1993-06-01 [USE]
258 1.1 abs NetBSD 0.9 1993-08-23 [NBD]
259 1.5.8.1 itojun FreeBSD 1.0 1993-11-xx [FOO]
260 1.5.8.2 he BSD/386 1.1 1994-02-xx [BSDI]
261 1.1 abs 4.4BSD Lite 1994-03-01 [USE]
262 1.5.8.1 itojun FreeBSD 1.1 1994-04-xx [FBD]
263 1.5.8.1 itojun FreeBSD 1.1.5.1 1994-07-xx [FBD]
264 1.5.8.1 itojun supersedes 1.1.5 3 days after release.
265 1.5.8.1 itojun NetBSD 1.0 1994-10-26 [NBD]
266 1.1 abs 386BSD 1.0 1994-11-12 [USE]
267 1.5.8.1 itojun FreeBSD 2.0 1995-01-xx [FBD]
268 1.5.8.2 he BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
269 1.5.8.2 he FreeBSD 2.0.5 1995-06-10 [FBD]
270 1.5.8.2 he BSD/OS 2.0.1 1995-06-xx [BSDI]
271 1.5.8.1 itojun 4.4BSD Lite Release 2 1995-06-xx [44B]
272 1.5.8.1 itojun the true final distribution from the CSRG
273 1.5.8.2 he FreeBSD 2.1.0 1995-11-19 [FBD]
274 1.1 abs NetBSD 1.1 1995-11-26 [NBD]
275 1.5.8.2 he BSD/OS 2.1 1996-01-xx [BSDI]
276 1.5.8.2 he FreeBSD 2.1.5 1996-07-14 [FBD]
277 1.1 abs NetBSD 1.2 1996-10-04 [NBD]
278 1.1 abs OpenBSD 2.0 1996-10-18 [OBD]
279 1.5.8.2 he FreeBSD 2.1.6 1996-11-16 [FBD]
280 1.5.8.2 he FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
281 1.5.8.2 he FreeBSD 2.1.7 1997-02-20 [FBD]
282 1.5.8.2 he BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
283 1.5.8.2 he FreeBSD 2.2.0 1997-03-16 [FBD]
284 1.5.8.2 he FreeBSD 2.2.1 1997-03-25 [FBD]
285 1.5.8.2 he FreeBSD 2.2.2 1997-05-16 [FBD]
286 1.5.8.1 itojun NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
287 1.1 abs OpenBSD 2.1 1997-06-01 [OBD]
288 1.5.8.2 he FreeBSD 2.2.5 1997-10-22 [FBD]
289 1.1 abs OpenBSD 2.2 1997-12-01 [OBD]
290 1.5 abs NetBSD 1.3 1998-01-04 [NBD]
291 1.5.8.2 he FreeBSD 2.2.6 1998-03-25 [FBD]
292 1.5.8.1 itojun NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
293 1.5.8.2 he BSD/OS 3.1 1998-03-xx [BSDI]
294 1.1 abs OpenBSD 2.3 1998-05-19 [OBD]
295 1.5.8.1 itojun NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
296 1.5.8.2 he FreeBSD 2.2.7 1998-07-22 [FBD]
297 1.5.8.2 he BSD/OS 4.0 1998-08-xx [BSDI]
298 1.5.8.2 he 2-lock MP support, ELF executables
299 1.5.8.1 itojun FreeBSD 3.0 1998-10-16 [FBD]
300 1.5.8.2 he FreeBSD-3.0 is a snapshot from -current,
301 1.5.8.2 he while 3.1 and 3.2 are from 3.x-stable which
302 1.5.8.1 itojun was branched quite some time after 3.0-release
303 1.1 abs FreeBSD 2.2.8 1998-11-29 [FBD]
304 1.1 abs OpenBSD 2.4 1998-12-01 [OBD]
305 1.5.8.1 itojun NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
306 1.5.8.1 itojun FreeBSD 3.1 1999-02-15 [FBD]
307 1.5.8.2 he BSD/OS 4.0.1 1999-03-xx [BSDI]
308 1.4 abs NetBSD 1.4 1999-05-12 [NBD]
309 1.5.8.1 itojun FreeBSD 3.2 1999-05-17 [FBD]
310 1.4 abs OpenBSD 2.5 1999-05-19 [OBD]
311 1.5.8.1 itojun NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
312 1.5.8.1 itojun FreeBSD 3.3 1999-09-17 [FBD]
313 1.5.8.1 itojun OpenBSD 2.6 1999-12-01 [OBD]
314 1.5.8.1 itojun FreeBSD 3.4 1999-12-20 [FBD]
315 1.5.8.2 he BSD/OS 4.1 1999-12-xx [BSDI]
316 1.5.8.1 itojun FreeBSD 4.0 2000-03-13 [FBD]
317 1.5.8.1 itojun NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
318 1.5.8.1 itojun OpenBSD 2.7 2000-06-15 [OBD]
319 1.5.8.1 itojun FreeBSD 3.5 2000-06-24 [FBD]
320 1.5.8.1 itojun FreeBSD 4.1 2000-07-27 [FBD]
321 1.5.8.1 itojun FreeBSD 3.5.1 2000-07-28 [FBD]
322 1.5.8.1 itojun FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
323 1.5.8.2 he FreeBSD 4.2 2000-11-21 [FBD]
324 1.5.8.2 he NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
325 1.5.8.2 he BSD/OS 4.2 2000-11-29 [BSDI]
326 1.5.8.2 he OpenBSD 2.8 2000-12-01 [OBD]
327 1.5.8.2 he NetBSD 1.5 2000-12-06 [NBD]
328 1.1 abs
329 1.1 abs
330 1.1 abs Bibliography
331 1.1 abs ------------------------
332 1.1 abs
333 1.1 abs Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
334 1.1 abs Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
335 1.1 abs System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
336 1.1 abs
337 1.1 abs Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
338 1.1 abs Company, Inc., 1994. ISBN 0-201-54777-5
339 1.1 abs
340 1.1 abs McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
341 1.1 abs Quarterman. The Design and Implementation of the 4.4BSD Operating
342 1.1 abs System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
343 1.1 abs
344 1.1 abs Doug McIlroy. Research Unix Reader.
345 1.1 abs
346 1.1 abs Michael G. Brown. The Role of BSD in the Development of Unix.
347 1.1 abs Presented to the Tasmanian Unix Special Interest Group of the
348 1.1 abs Australian Computer Society, Hobart, August 1993.
349 1.1 abs
350 1.5.8.1 itojun Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
351 1.1 abs URL: http://www.byte.com/art/9410/sec8/art3.htm
352 1.1 abs
353 1.1 abs Andreas Klemm, Lars Kller. If you're going to San Francisco ...
354 1.1 abs Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
355 1.1 abs
356 1.1 abs BSD Release Announcements collection.
357 1.5.8.1 itojun URL: http://www.de.FreeBSD.org/de/ftp/releases/
358 1.1 abs
359 1.1 abs BSD Hypertext Man Pages
360 1.5.8.1 itojun http://www.FreeBSD.org/cgi/man.cgi
361 1.5.8.1 itojun
362 1.5.8.1 itojun UNIX history graphing project
363 1.5.8.1 itojun http://minnie.cs.adfa.edu.au/Unix_History/index.html
364 1.5.8.1 itojun
365 1.5.8.1 itojun UNIX history
366 1.5.8.1 itojun http://perso.wanadoo.fr/levenez/unix/
367 1.1 abs
368 1.1 abs Acknowledgments
369 1.1 abs ---------------
370 1.1 abs
371 1.5.8.1 itojun Josh Gilliam for suggestions, bug fixes, and finding very old
372 1.1 abs original BSD announcements from Usenet or tapes.
373 1.1 abs
374 1.1 abs Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
375 1.1 abs
376 1.1 abs --
377 1.5.8.2 he Copyright (c) 1997-2000 Wolfram Schneider <wosch (a] FreeBSD.ORG>
378 1.5.8.2 he URL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree
379 1.1 abs
380 1.5.8.2 he $FreeBSD: src/share/misc/bsd-family-tree,v 1.38 2001/01/19 07:36:36 itojun Exp $
381 1.1 abs
382 1.5.8.2 he $NetBSD: bsd-family-tree,v 1.5.8.2 2001/02/03 18:32:32 he Exp $
383