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1.6 itojun 1: The UNIX system family tree: Research and BSD
2: ---------------------------------------------
1.1 abs 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: | |
1.6 itojun 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
1.1 abs 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 | |
1.6 itojun 50: | 2.11BSD rev #430
1.1 abs 51: 4.3BSD NET/1 |
52: | v
53: 4.3BSD Reno
54: |
55: *---------- 4.3BSD NET/2 -------------------+-------------*
56: | | | |
1.7 itojun 57: 386BSD 0.0 | | BSD/386 ALPHA
1.1 abs 58: | | | |
1.7 itojun 59: 386BSD 0.1 ------------>+ | BSD/386 0.3.[13]
1.1 abs 60: | \ | 4.4BSD Alpha |
1.7 itojun 61: | 386BSD 1.0 | | BSD/386 0.9.[34]
1.1 abs 62: | | 4.4BSD |
63: | | / | |
64: | | 4.4BSD-Encumbered | |
1.7 itojun 65: | NetBSD 0.8 | BSD/386 1.0
1.1 abs 66: | | | |
1.7 itojun 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
1.11 itojun 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 | | / | | | |
1.16 junyoung 138: | | | | / | | | |
1.11 itojun 139: | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | |
1.25 soda 140: | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2
141: | | | | | |
1.13 junyoung 142: | | | | | |
1.11 itojun 143: | | 10.0 NetBSD 1.5 | |
1.17 junyoung 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 |
1.21 cjep 154: | | \ | | NetBSD 1.5.3 | |
1.25 soda 155: | FreeBSD 4.6.2 Mac OS X | | |
156: | | 10.2 | | |
1.21 cjep 157: | FreeBSD 4.7 | | | |
158: | | | NetBSD 1.6 OpenBSD 3.2 |
159: | FreeBSD 4.8 | | | | |
160: | | | | NetBSD 1.6.1 | |
1.23 peter 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 |
1.24 soda 187: | | | NetBSD 2.0 | |
1.25 soda 188: | | | | | | DragonFly 1.2.0
189: | | Mac OS X | NetBSD 2.0.2 | |
190: | FreeBSD 5.4 10.4 | | | |
191: | | | | | OpenBSD 3.7 |
192: | V | | v | |
1.23 peter 193: | | | | |
194: FreeBSD 6 -current | NetBSD -current OpenBSD -current |
195: | | | | |
196: v v v v v
1.1 abs 197:
198: Time
199: ----------------
200:
1.7 itojun 201: Time tolerance +/- 6 months, depending on which book/article you read; if it
202: was the announcement in Usenet or if it was available as tape.
1.1 abs 203:
204: [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
205: and John Quarterman. The Design and Implementation of
206: the 4.4BSD Operating System.
1.11 itojun 207: [APL] Apple website [http://www.apple.com/macosx/]
1.17 junyoung 208: [BSDI] Berkeley Software Design, Inc.
1.24 soda 209: [DFB] DragonFlyBSD Project, The.
1.1 abs 210: [DOC] README, COPYRIGHT on tape.
1.17 junyoung 211: [FBD] FreeBSD Project, The.
1.1 abs 212: [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
213: Volume 11, Info 4, April, 1987.
214: [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
215: comp.bugs.4bsd.ucb-fixes, June 15, 1988.
1.17 junyoung 216: [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
217: Changes in the Kernel in 2.9BSD. Second Berkeley Software
218: Distribution UNIX Version 2.9, July, 1983.
1.1 abs 219: [NBD] NetBSD Project, The.
220: [OBD] OpenBSD Project, The.
1.17 junyoung 221: [QCU] Salus, Peter H. A quarter century of UNIX.
222: [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
223: [USE] Usenet announcement.
224: [WRS] Wind River Systems, Inc.
1.1 abs 225: [dmr] Dennis Ritchie, via E-Mail
226:
227: Multics 1965
1.6 itojun 228: UNIX Summer 1969
1.1 abs 229: DEC PDP-7
230: First Edition 1971-11-03 [QCU]
231: DEC PDP-11/20, Assembler
232: Second Edition 1972-06-12 [QCU]
1.6 itojun 233: 10 UNIX installations
1.1 abs 234: Third Edition 1973-02-xx [QCU]
235: Pipes, 16 installations
236: Fourth Edition 1973-11-xx [QCU]
237: rewriting in C effected,
238: above 30 installations
239: Fifth Edition 1974-06-xx [QCU]
240: above 50 installations
241: Sixth Edition 1975-05-xx [QCU]
242: port to DEC Vax
243: Seventh Edition 1979-01-xx [QCU]
1.6 itojun 244: first portable UNIX
245: Eighth Edition 1985-02-xx [QCU]
1.1 abs 246: VAX 11/750, VAX 11/780 [dmr]
247: descended from 4.1c BSD [dmr]
248: descended from 4.1 BSD [44B]
1.7 itojun 249: scooping-out and replacement of the character-device
1.1 abs 250: and networking part by the streams mechanism
251:
252: Ninth Edition 1986-09-xx [QCU]
253: Tenth Edition 1989-10-xx [QCU]
254:
255: 1BSD late 1977
256: 1978-03-09 [QCU]
257: PDP-11, Pascal, ex(1)
258: 30 free copies of 1BSD sent out
259: 35 tapes sold for 50 USD [QCU]
260: 2BSD mid 1978 [QCU]
261: 75 2BSD tapes shipped
262: 2.7.9BSD ?? [SMS]
263: 2.8BSD 1981-07-xx [KSJ]
264:
265: 2.8.1BSD 1982-01-xx [QCU]
266: set of performance improvements
267: 2.9BSD 1983-07-xx [KSJ]
268: 2.9.1BSD 1983-11-xx
269: 2.9BSD-Seismo 1985-08-xx [SMS]
270: 2.10BSD 1987-04-xx [KKK]
271: 2.10.1BSD 1989-01-xx [SMS]
272: 2.11BSD 1992-02-xx [SMS]
1.6 itojun 273: 2.11BSD rev #430 1999-12-13 [SMS]
1.1 abs 274:
275: 32V 1978-1[01]-xx [QCU]
276: 3BSD late 1979 [QCU]
277: virtual memory, page replacement,
278: demand paging
279: 4.0BSD 1980-10-xx
1.13 junyoung 280: 4.1BSD 1981-07-08 [DOC]
1.1 abs 281: 4.1aBSD 1982-04-xx
282: alpha release, 100 sites, networking [44B]
283: 4.1bBSD internal release, fast filesystem [44B]
284: 4.1cBSD late 1982
285: beta release, IPC [44B]
286: 4.2BSD 1983-09-xx [QCU]
1.13 junyoung 287: 1983-08-03 [DOC]
1.1 abs 288: 4.3BSD 1986-06-xx [QCU]
1.13 junyoung 289: 1986-04-05 [KB], [DOC]
290: 4.3BSD Tahoe 1988-06-15 [QCU], [DOC]
1.1 abs 291: 4.3BSD NET/1 1988-11-xx [QCU]
1.13 junyoung 292: 1989-01-01 [DOC]
293: 4.3BSD Reno 1990-06-29 [QCU], [DOC]
294: 4.3BSD NET/2 1991-06-28 [QCU], [DOC]
1.7 itojun 295:
296: BSD/386 ALPHA 1991-12-xx [BSDI]
297: first code released to people outside BSDI
1.1 abs 298: 386BSD 0.0 1992-02-xx [DOC]
1.7 itojun 299: BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers
300: BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version
301: 386BSD 0.1 1992-07-28 [DOC]
1.1 abs 302: 4.4BSD Alpha 1992-07-07
1.7 itojun 303: BSD/386 0.9.3 1992-10-xx [BSDI]
304: first external gamma; G customers
305: BSD/386 0.9.4 1992-12-xx [BSDI]
306: would have been 1.0 except for request
307: for preliminary injunction
308: BSD/386 1.0 1993-03-xx [BSDI]
309: injunction denied; first official release
1.6 itojun 310: NetBSD 0.8 1993-04-20 [NBD]
1.1 abs 311: 4.4BSD 1993-06-01 [USE]
312: NetBSD 0.9 1993-08-23 [NBD]
1.8 itojun 313: FreeBSD 1.0 1993-11-01 [FBD]
1.7 itojun 314: BSD/386 1.1 1994-02-xx [BSDI]
1.1 abs 315: 4.4BSD Lite 1994-03-01 [USE]
1.24 soda 316: FreeBSD 1.1 1994-05-07 [FBD]
317: FreeBSD 1.1.5 1994-06-30 [FBD]
318: FreeBSD 1.1.5.1 1994-07-05 [FBD]
319: supersedes 1.1.5 5 days after release.
1.6 itojun 320: NetBSD 1.0 1994-10-26 [NBD]
1.1 abs 321: 386BSD 1.0 1994-11-12 [USE]
1.24 soda 322: FreeBSD 2.0 1994-11-23 [FBD]
1.7 itojun 323: BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
324: FreeBSD 2.0.5 1995-06-10 [FBD]
325: BSD/OS 2.0.1 1995-06-xx [BSDI]
1.6 itojun 326: 4.4BSD Lite Release 2 1995-06-xx [44B]
327: the true final distribution from the CSRG
1.7 itojun 328: FreeBSD 2.1.0 1995-11-19 [FBD]
1.1 abs 329: NetBSD 1.1 1995-11-26 [NBD]
1.7 itojun 330: BSD/OS 2.1 1996-01-xx [BSDI]
331: FreeBSD 2.1.5 1996-07-14 [FBD]
1.1 abs 332: NetBSD 1.2 1996-10-04 [NBD]
333: OpenBSD 2.0 1996-10-18 [OBD]
1.7 itojun 334: FreeBSD 2.1.6 1996-11-16 [FBD]
335: FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
1.11 itojun 336: Rhapsody 1997-xx-xx
1.7 itojun 337: FreeBSD 2.1.7 1997-02-20 [FBD]
338: BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
339: FreeBSD 2.2.0 1997-03-16 [FBD]
340: FreeBSD 2.2.1 1997-03-25 [FBD]
341: FreeBSD 2.2.2 1997-05-16 [FBD]
1.6 itojun 342: NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
1.1 abs 343: OpenBSD 2.1 1997-06-01 [OBD]
1.7 itojun 344: FreeBSD 2.2.5 1997-10-22 [FBD]
1.1 abs 345: OpenBSD 2.2 1997-12-01 [OBD]
1.5 abs 346: NetBSD 1.3 1998-01-04 [NBD]
1.7 itojun 347: FreeBSD 2.2.6 1998-03-25 [FBD]
1.6 itojun 348: NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
1.7 itojun 349: BSD/OS 3.1 1998-03-xx [BSDI]
1.1 abs 350: OpenBSD 2.3 1998-05-19 [OBD]
1.6 itojun 351: NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
1.7 itojun 352: FreeBSD 2.2.7 1998-07-22 [FBD]
353: BSD/OS 4.0 1998-08-xx [BSDI]
354: 2-lock MP support, ELF executables
1.6 itojun 355: FreeBSD 3.0 1998-10-16 [FBD]
1.7 itojun 356: FreeBSD-3.0 is a snapshot from -current,
357: while 3.1 and 3.2 are from 3.x-stable which
1.6 itojun 358: was branched quite some time after 3.0-release
1.1 abs 359: FreeBSD 2.2.8 1998-11-29 [FBD]
360: OpenBSD 2.4 1998-12-01 [OBD]
1.6 itojun 361: NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
362: FreeBSD 3.1 1999-02-15 [FBD]
1.7 itojun 363: BSD/OS 4.0.1 1999-03-xx [BSDI]
1.4 abs 364: NetBSD 1.4 1999-05-12 [NBD]
1.6 itojun 365: FreeBSD 3.2 1999-05-17 [FBD]
1.4 abs 366: OpenBSD 2.5 1999-05-19 [OBD]
1.6 itojun 367: NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
368: FreeBSD 3.3 1999-09-17 [FBD]
369: OpenBSD 2.6 1999-12-01 [OBD]
370: FreeBSD 3.4 1999-12-20 [FBD]
1.7 itojun 371: BSD/OS 4.1 1999-12-xx [BSDI]
1.6 itojun 372: FreeBSD 4.0 2000-03-13 [FBD]
373: NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
374: OpenBSD 2.7 2000-06-15 [OBD]
375: FreeBSD 3.5 2000-06-24 [FBD]
376: FreeBSD 4.1 2000-07-27 [FBD]
377: FreeBSD 3.5.1 2000-07-28 [FBD]
378: FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
1.7 itojun 379: FreeBSD 4.2 2000-11-21 [FBD]
380: NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
381: BSD/OS 4.2 2000-11-29 [BSDI]
382: OpenBSD 2.8 2000-12-01 [OBD]
383: NetBSD 1.5 2000-12-06 [NBD]
1.11 itojun 384: Mac OS X 10.0 2001-03-24 [APL]
1.8 itojun 385: FreeBSD 4.3 2001-04-20 [FBD]
386: OpenBSD 2.9 2001-06-01 [OBD]
1.11 itojun 387: NetBSD 1.5.1 2001-07-11 [NBD] (patch release)
388: NetBSD 1.5.2 2001-09-13 [NBD] (patch release)
389: FreeBSD 4.4 2001-09-18 [FBD]
1.17 junyoung 390: Mac OS X 10.1 2001-09-29 [APL]
1.13 junyoung 391: OpenBSD 3.0 2001-12-01 [OBD]
392: FreeBSD 4.5 2002-01-29 [FBD]
1.17 junyoung 393: BSD/OS 4.3 2002-03-14 [WRS]
394: OpenBSD 3.1 2002-05-19 [OBD]
395: FreeBSD 4.6 2002-06-15 [FBD]
1.14 junyoung 396: NetBSD 1.5.3 2002-07-22 [NBD] (patch release)
1.17 junyoung 397: FreeBSD 4.6.2 2002-08-15 [FBD] (patch release)
398: Mac OS X 10.2 2002-08-23 [APL]
399: NetBSD 1.6 2002-09-14 [NBD]
400: FreeBSD 4.7 2002-10-08 [FBD]
1.19 wiz 401: OpenBSD 3.2 2002-11-01 [OBD]
1.20 itojun 402: FreeBSD 5.0 2003-01-17 [FBD]
403: FreeBSD 5.0 is a separate branch off of
404: -current, similar to 3.0.
405: FreeBSD 4.8 2003-04-03 [FBD]
406: NetBSD 1.6.1 2003-04-21 [NBD] (patch release)
407: OpenBSD 3.3 2003-05-01 [OBD]
1.21 cjep 408: BSD/OS 5.0 2003-05-?? [WRS]
409: FreeBSD 5.1 2003-06-09 [FBD]
1.23 peter 410: Mac OS X 10.3 2003-10-24 [APL]
411: FreeBSD 4.9 2003-10-28 [FBD]
412: BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version)
413: OpenBSD 3.4 2003-11-01 [OBD]
414: FreeBSD 5.2 2004-01-12 [FBD]
415: FreeBSD 5.2.1 2004-02-22 [FBD] (patch release)
416: NetBSD 1.6.2 2004-03-01 [NBD] (patch release)
417: OpenBSD 3.5 2004-04-01 [OBD]
418: FreeBSD 4.10 2004-05-27 [FBD]
1.24 soda 419: DragonFly 1.0 2004-07-12 [DFB]
1.23 peter 420: OpenBSD 3.6 2004-10-29 [OBD]
421: FreeBSD 5.3 2004-11-06 [FBD]
422: NetBSD 2.0 2004-12-09 [NBD]
423: FreeBSD 4.11 2005-01-25 [FBD]
1.24 soda 424: DragonFly 1.2.0 2005-04-08 [DFB]
1.26 ! soda 425: NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release)
1.24 soda 426: Mac OS X 10.4 2005-04-29 [APL]
427: FreeBSD 5.4 2005-05-09 [FBD]
428: OpenBSD 3.7 2005-05-19 [OBD]
1.1 abs 429:
430: Bibliography
431: ------------------------
432:
433: Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
434: Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
435: System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
436:
437: Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
438: Company, Inc., 1994. ISBN 0-201-54777-5
439:
440: McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
441: Quarterman. The Design and Implementation of the 4.4BSD Operating
442: System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
443:
1.23 peter 444: McKusick, Marshall Kirk, George Neville-Neil. The Design and
445: Implementation of the FreeBSD Operating System.
446: Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
447:
1.1 abs 448: Doug McIlroy. Research Unix Reader.
449:
450: Michael G. Brown. The Role of BSD in the Development of Unix.
451: Presented to the Tasmanian Unix Special Interest Group of the
452: Australian Computer Society, Hobart, August 1993.
453:
1.6 itojun 454: Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
1.24 soda 455: URL: http://www.byte.com/art/9410/sec8/art3.htm
1.1 abs 456:
1.19 wiz 457: Andreas Klemm, Lars Köller. If you're going to San Francisco ...
1.1 abs 458: Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
459:
460: BSD Release Announcements collection.
1.6 itojun 461: URL: http://www.de.FreeBSD.org/de/ftp/releases/
1.1 abs 462:
463: BSD Hypertext Man Pages
1.9 itojun 464: URL: http://www.FreeBSD.org/cgi/man.cgi
1.6 itojun 465:
466: UNIX history graphing project
1.9 itojun 467: URL: http://minnie.tuhs.org/Unix_History/index.html
1.6 itojun 468:
469: UNIX history
1.17 junyoung 470: URL: http://www.levenez.com/unix/
1.1 abs 471:
1.8 itojun 472: James Howard: The BSD Family Tree
1.9 itojun 473: URL: http://www.daemonnews.org/200104/bsd_family.html
1.8 itojun 474: ("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
475:
476:
1.1 abs 477: Acknowledgments
478: ---------------
479:
1.6 itojun 480: Josh Gilliam for suggestions, bug fixes, and finding very old
1.1 abs 481: original BSD announcements from Usenet or tapes.
482:
483: Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
484:
485: --
1.23 peter 486: Copyright (c) 1997-2004 Wolfram Schneider <wosch@FreeBSD.ORG>
1.22 itojun 487: URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
1.1 abs 488:
1.24 soda 489: $FreeBSD: src/share/misc/bsd-family-tree,v 1.94 2005/06/06 16:10:58 maxim Exp $