bsd-family-tree revision 1.5
1 The Unix system family tree / BSD history chart 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 Eighth Edition | 2.8.1BSD 33 | | | 34 | 4.1aBSD -----------\ | 35 | | \ | 36 | 4.1bBSD \ | 37 | | \ | 38 | 4.1cBSD --------------> 2.9BSD 39 | | | 40 | | 2.9BSD-Seismo 41 | | | 42 +----<--- 4.2BSD 2.9.1BSD 43 | | | 44 +----<--- 4.3BSD -------------> 2.10BSD 45 | | / | 46 Ninth Edition | / 2.10.1BSD 47 | 4.3BSD Tahoe-----+ | 48 | | \ | 49 | | \ | 50 v | 2.11BSD 51 Tenth Edition | | 52 | 2.11BSD rev #366 53 4.3BSD NET/1 | 54 | v 55 4.3BSD Reno 56 | 57 *---------- 4.3BSD NET/2 -------------------+-------------* 58 | | | | 59 386BSD 0.0 | | | 60 | | | | 61 386BSD 0.1 ------------>+ | BSDI 1.0 62 | \ | 4.4BSD Alpha | 63 | 386BSD 1.0 | | | 64 | | 4.4BSD | 65 | | / | | 66 | | 4.4BSD-Encumbered | | 67 | NetBSD 0.8 | | 68 | | | | 69 FreeBSD 1.0 NetBSD 0.9 | | 70 | | .----- 4.4BSD Lite --> BSDI 2.0 71 FreeBSD 1.1 | / / | | 72 | | / / | BSDI 2.0.1 73 FreeBSD 1.1.5 .---|--------' / | | 74 | / | / 4.4BSD Lite2 -> BSDI 2.1 75 FreeBSD 1.1.5.1 / | / / | | \ | 76 | / NetBSD 1.0 <-' / | | \ | 77 | / | / | | `-BSDI 3.0 78 FreeBSD 2.0 <--' | FreeBSD 3.0 | | | 79 | \ NetBSD 1.3 | v 80 FreeBSD 2.0.5 \ OpenBSD 2.3 81 | \ 82 | \ 83 FreeBSD 2.1 | 84 | | NetBSD 1.1 ---------. 85 | FreeBSD 2.1.5 | \ 86 | | NetBSD 1.2 \ 87 | FreeBSD 2.1.6 | | OpenBSD 2.0 88 | | | | | 89 | FreeBSD 2.1.6.1 | | | 90 | | | | | 91 | FreeBSD 2.1.7 | | | 92 | | | NetBSD 1.2.1 | 93 | FreeBSD 2.1.7.1 | | 94 | | | 95 | | | 96 *-FreeBSD 2.2 | | 97 | | | | 98 | FreeBSD 2.2.1 | | 99 | | | | 100 | FreeBSD 2.2.2 | OpenBSD 2.1 101 | | | | 102 | FreeBSD 2.2.5 | | 103 | | | OpenBSD 2.2 104 | | NetBSD 1.3 | 105 | FreeBSD 2.2.6 | | | 106 | | | NetBSD 1.3.1 | 107 | | | | OpenBSD 2.3 108 | | | NetBSD 1.3.2 | 109 | FreeBSD 2.2.7 | | | 110 | | | | | 111 | FreeBSD 2.2.8 | | | 112 | | | | 113 FreeBSD 3.0 | | OpenBSD 2.4 114 | | NetBSD 1.3.3 | 115 *---FreeBSD 3.1 | | 116 | | NetBSD 1.4 | 117 | FreeBSD 3.2 | OpenBSD 2.5 118 | | | 119 FreeBSD 4.0-CURRENT NetBSD -current OpenBSD -current 120 | | | 121 v v v 122 123 124 Time 125 ---------------- 126 127 Time tolerance +/- 6 month, depend on which book/article you read; if 128 it was the announcement in Usenet or if it was available as tape. 129 130 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 131 and John Quarterman. The Design and Implementation of 132 the 4.4BSD Operating System. 133 [DOC] README, COPYRIGHT on tape. 134 [QCU] Salus, Peter H. A quarter century of UNIX. 135 [U25] Peter H. Salus. Unix at 25. 136 [USE] Usenet announcement. 137 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 138 Changes in the Kernel in 2.9BSD. Second Berkeley Software 139 Distribution UNIX Version 2.9, July, 1983. 140 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 141 Volume 11, Info 4, April, 1987. 142 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 143 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 144 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 145 [FBD] FreeBSD Project, The. 146 [NBD] NetBSD Project, The. 147 [OBD] OpenBSD Project, The. 148 [dmr] Dennis Ritchie, via E-Mail 149 150 151 Multics 1965 152 Unix Summer 1969 153 DEC PDP-7 154 First Edition 1971-11-03 [QCU] 155 DEC PDP-11/20, Assembler 156 Second Edition 1972-06-12 [QCU] 157 10 Unix installations 158 Third Edition 1973-02-xx [QCU] 159 Pipes, 16 installations 160 Fourth Edition 1973-11-xx [QCU] 161 rewriting in C effected, 162 above 30 installations 163 Fifth Edition 1974-06-xx [QCU] 164 above 50 installations 165 Sixth Edition 1975-05-xx [QCU] 166 port to DEC Vax 167 Seventh Edition 1979-01-xx [QCU] 168 first portable Unix 169 Eight Edition 1985-02-xx [QCU] 170 VAX 11/750, VAX 11/780 [dmr] 171 descended from 4.1c BSD [dmr] 172 descended from 4.1 BSD [44B] 173 scooping-out and replacement of the character-device 174 and networking part by the streams mechanism 175 176 Ninth Edition 1986-09-xx [QCU] 177 Tenth Edition 1989-10-xx [QCU] 178 179 1BSD late 1977 180 1978-03-09 [QCU] 181 PDP-11, Pascal, ex(1) 182 30 free copies of 1BSD sent out 183 35 tapes sold for 50 USD [QCU] 184 2BSD mid 1978 [QCU] 185 75 2BSD tapes shipped 186 2.7.9BSD ?? [SMS] 187 2.8BSD 1981-07-xx [KSJ] 188 189 2.8.1BSD 1982-01-xx [QCU] 190 set of performance improvements 191 2.9BSD 1983-07-xx [KSJ] 192 2.9.1BSD 1983-11-xx 193 2.9BSD-Seismo 1985-08-xx [SMS] 194 2.10BSD 1987-04-xx [KKK] 195 2.10.1BSD 1989-01-xx [SMS] 196 2.11BSD 1992-02-xx [SMS] 197 2.11BSD rev #366 1997-02-xx [SMS] 198 199 32V 1978-1[01]-xx [QCU] 200 3BSD late 1979 [QCU] 201 virtual memory, page replacement, 202 demand paging 203 4.0BSD 1980-10-xx 204 4.1BSD 1981-06-xx 205 4.1aBSD 1982-04-xx 206 alpha release, 100 sites, networking [44B] 207 4.1bBSD internal release, fast filesystem [44B] 208 4.1cBSD late 1982 209 beta release, IPC [44B] 210 4.2BSD 1983-09-xx [QCU] 211 4.3BSD 1986-06-xx [QCU] 212 1986-04-xx [KB] 213 4.3BSD Tahoe 1988-06-xx [QCU] 214 4.3BSD NET/1 1988-11-xx [QCU] 215 4.3BSD Reno 1990-06-xx [QCU], [DOC] 216 4.3BSD NET/2 1991-06-xx [QCU] 217 386BSD 0.0 1992-02-xx [DOC] 218 386BSD 0.1 1992-07-xx [DOC] 219 4.4BSD Alpha 1992-07-07 220 NetBSD 0.8 1993-04-19 [NBD] 221 4.4BSD 1993-06-01 [USE] 222 NetBSD 0.9 1993-08-23 [NBD] 223 FreeBSD 1.0 1993-11-xx [FOO] 224 4.4BSD Lite 1994-03-01 [USE] 225 FreeBSD 1.1 1994-04-xx [FBD] 226 FreeBSD 1.1.5.1 1994-07-xx [FBD] 227 supercedes 1.1.5 3 days after release. 228 NetBSD 1.0 1994-11-08 [NBD] 229 386BSD 1.0 1994-11-12 [USE] 230 FreeBSD 2.0 1995-01-xx [FBD] 231 FreeBSD 2.0.5 1995-06-xx [FBD] 232 4.4BSD Lite Release 2 1995-06-xx [44B] 233 the true final distribution from the CSRG 234 NetBSD 1.1 1995-11-26 [NBD] 235 FreeBSD 2.1 1995-12-xx [FBD] 236 FreeBSD 2.1.5 1996-08-xx [FBD] 237 NetBSD 1.2 1996-10-04 [NBD] 238 OpenBSD 2.0 1996-10-18 [OBD] 239 FreeBSD 2.1.6 1996-12-xx [FBD] 240 FreeBSD 2.1.7 1997-02-xx [FBD] 241 FreeBSD 2.2.1 1997-04-xx [FBD] 242 NetBSD 1.2.1 1997-05-20 [NBD] 243 OpenBSD 2.1 1997-06-01 [OBD] 244 FreeBSD 2.2.2 1997-06-xx [FBD] 245 FreeBSD 2.2.5 1997-11-xx [FBD] 246 OpenBSD 2.2 1997-12-01 [OBD] 247 NetBSD 1.3 1998-01-04 [NBD] 248 FreeBSD 2.2.6 1998-03-xx [FBD] 249 NetBSD 1.3.1 1998-04-xx [NBD] 250 OpenBSD 2.3 1998-05-19 [OBD] 251 NetBSD 1.3.2 1998-05-24 [NBD] 252 FreeBSD 2.2.7 1998-07-xx [FBD] 253 FreeBSD 3.0 1998-10-16 [FBD] 254 FreeBSD 2.2.8 1998-11-29 [FBD] 255 OpenBSD 2.4 1998-12-01 [OBD] 256 NetBSD 1.3.3 1998-12-23 [NBD] 257 FreeBSD 3.1 1999-02-15 [FBD] 258 NetBSD 1.4 1999-05-12 [NBD] 259 OpenBSD 2.5 1999-05-19 [OBD] 260 261 262 Bibliography 263 ------------------------ 264 265 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 266 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 267 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 268 269 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 270 Company, Inc., 1994. ISBN 0-201-54777-5 271 272 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 273 Quarterman. The Design and Implementation of the 4.4BSD Operating 274 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 275 276 Doug McIlroy. Research Unix Reader. 277 278 Michael G. Brown. The Role of BSD in the Development of Unix. 279 Presented to the Tasmanian Unix Special Interest Group of the 280 Australian Computer Society, Hobart, August 1993. 281 URL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html 282 283 Peter H. Salus. Unix at 25. Byte Magazin, October 1994. 284 URL: http://www.byte.com/art/9410/sec8/art3.htm 285 286 Andreas Klemm, Lars Kller. If you're going to San Francisco ... 287 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 288 URL: http://www.heise.de 289 290 BSD Release Announcements collection. 291 URL: http://www.de.FreeBSD.ORG/de/ftp/releases/ 292 293 BSD Hypertext Man Pages 294 http://www.freebsd.org/cgi/man.cgi 295 296 Acknowledgments 297 --------------- 298 299 Josh Gilliam for suggestions, bugfixes, and finding very old 300 original BSD announcements from Usenet or tapes. 301 302 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 303 304 -- 305 Copyright (c) 1997-1999 Wolfram Schneider <wosch (a] FreeBSD.ORG> 306 URL: ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree 307 308 $FreeBSD: Date: 1999/01/15 17:21:39 $ $FreeBSD Revision: 1.11 $ 309 310 $NetBSD: bsd-family-tree,v 1.5 1999/07/07 01:54:46 abs Exp $ 311
Indexes created Wed Nov 05 01:09:58 GMT 2025