share/misc/bsd-family-tree

   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  |         |              NetBSD 1.3           |
 102  |     FreeBSD 2.2.5         |   \             |
 103  |         |                 | NetBSD 1.3.1  OpenBSD 2.2
 104  |         v                 |    |            |
 105  |     FreeBSD 2.2.6         |    |          OpenBSD 2.3
 106  |         |                 | NetBSD 1.3.2    |
 107  |         v                 |    |            |
 108  |     FreeBSD 2.2.7         |    |            |
 109  |         |                 |    |            |
 110  |         v                 |    |            |
 111  |     FreeBSD 2.2.8         |    |            |
 112  |                           |    |            |
 113  |                           |    |        OpenBSD 2.4
 114 FreeBSD 3.0                  |    |            |
 115  |                           | NetBSD 1.3.3    |
 116  *---FreeBSD 3.1             |                 |
 117  |       |                   |                 |
 118  |   FreeBSD 3.2          NetBSD 1.4       OpenBSD 2.5
 119  |       |                   |                 |
 120  |   FreeBSD 3.3             |                 |
 121  |       |                   |             OpenBSD 2.6
 122  |   FreeBSD 3.4             |                 |
 123  |                           |                 |
 124  |                           |                 |
 125 FreeBSD 4.0-CURRENT          |                 |
 126  |                           v                 v
 127  v
 128
 129
 130 Time
 131 ----------------
 132
 133 Time tolerance +/- 6 month, depend on which book/article you read; if
 134 it was the announcement in Usenet or if it was available as tape.
 135
 136 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
 137         and John Quarterman. The Design and Implementation of
 138         the 4.4BSD Operating System.
 139 [DOC] README, COPYRIGHT on tape.
 140 [QCU] Salus, Peter H. A quarter century of UNIX.
 141 [U25] Peter H. Salus. Unix at 25.
 142 [USE] Usenet announcement.
 143 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
 144         Changes in the Kernel in 2.9BSD. Second Berkeley Software
 145         Distribution UNIX Version 2.9, July, 1983.
 146 [KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
 147         Volume 11, Info 4, April, 1987.
 148 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
 149         comp.bugs.4bsd.ucb-fixes, June 15, 1988.
 150 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
 151 [FBD] FreeBSD Project, The.
 152 [NBD] NetBSD Project, The.
 153 [OBD] OpenBSD Project, The.
 154 [dmr] Dennis Ritchie, via E-Mail
 155
 156
 157 Multics                 1965
 158 Unix                    Summer 1969
 159                                 DEC PDP-7
 160 First   Edition         1971-11-03 [QCU]
 161                                 DEC PDP-11/20, Assembler
 162 Second  Edition         1972-06-12 [QCU]
 163                                 10 Unix installations
 164 Third   Edition         1973-02-xx [QCU]
 165                                 Pipes, 16 installations
 166 Fourth  Edition         1973-11-xx [QCU]
 167                                 rewriting in C effected,
 168                                 above 30 installations
 169 Fifth   Edition         1974-06-xx [QCU]
 170                                 above 50 installations
 171 Sixth   Edition         1975-05-xx [QCU]
 172                                 port to DEC Vax
 173 Seventh Edition         1979-01-xx [QCU]
 174                                 first portable Unix
 175 Eight   Edition         1985-02-xx [QCU]
 176                                 VAX 11/750, VAX 11/780 [dmr]
 177                                 descended from 4.1c BSD [dmr]
 178                                 descended from 4.1 BSD [44B]
 179                         scooping-out and replacement of the character-device
 180                         and networking part by the streams mechanism
 181
 182 Ninth   Edition         1986-09-xx [QCU]
 183 Tenth   Edition         1989-10-xx [QCU]
 184
 185 1BSD                    late 1977
 186                         1978-03-09 [QCU]
 187                                 PDP-11, Pascal, ex(1)
 188                                 30 free copies of 1BSD sent out
 189                                 35 tapes sold for 50 USD [QCU]
 190 2BSD                    mid 1978 [QCU]
 191                                 75 2BSD tapes shipped
 192 2.7.9BSD                ?? [SMS]
 193 2.8BSD                  1981-07-xx [KSJ]
 194
 195 2.8.1BSD                1982-01-xx [QCU]
 196                                 set of performance improvements
 197 2.9BSD                  1983-07-xx [KSJ]
 198 2.9.1BSD                1983-11-xx
 199 2.9BSD-Seismo           1985-08-xx [SMS]
 200 2.10BSD                 1987-04-xx [KKK]
 201 2.10.1BSD               1989-01-xx [SMS]
 202 2.11BSD                 1992-02-xx [SMS]
 203 2.11BSD rev #366        1997-02-xx [SMS]
 204
 205 32V                     1978-1[01]-xx [QCU]
 206 3BSD                    late 1979 [QCU]
 207                                 virtual memory, page replacement,
 208                                 demand paging
 209 4.0BSD                  1980-10-xx
 210 4.1BSD                  1981-06-xx
 211 4.1aBSD                 1982-04-xx
 212                                 alpha release, 100 sites, networking [44B]
 213 4.1bBSD                         internal release, fast filesystem [44B]
 214 4.1cBSD                 late 1982
 215                                 beta release, IPC [44B]
 216 4.2BSD                  1983-09-xx [QCU]
 217 4.3BSD                  1986-06-xx [QCU]
 218                         1986-04-xx [KB]
 219 4.3BSD Tahoe            1988-06-xx [QCU]
 220 4.3BSD NET/1            1988-11-xx [QCU]
 221 4.3BSD Reno             1990-06-xx [QCU], [DOC]
 222 4.3BSD NET/2            1991-06-xx [QCU]
 223 386BSD 0.0              1992-02-xx [DOC]
 224 386BSD 0.1              1992-07-xx [DOC]
 225 4.4BSD Alpha            1992-07-07
 226 NetBSD 0.8              1993-04-19 [NBD]
 227 4.4BSD                  1993-06-01 [USE]
 228 NetBSD 0.9              1993-08-23 [NBD]
 229 FreeBSD 1.0             1993-11-xx [FOO]
 230 4.4BSD Lite             1994-03-01 [USE]
 231 FreeBSD 1.1             1994-04-xx [FBD]
 232 FreeBSD 1.1.5.1         1994-07-xx [FBD]
 233                                 supersedes 1.1.5 3 days after release.
 234 NetBSD 1.0              1994-11-08 [NBD]
 235 386BSD 1.0              1994-11-12 [USE]
 236 FreeBSD 2.0             1995-01-xx [FBD]
 237 FreeBSD 2.0.5           1995-06-xx [FBD]
 238 4.4BSD Lite Release 2   1995-06-xx [44B]
 239                                 the true final distribution from the CSRG
 240 NetBSD 1.1              1995-11-26 [NBD]
 241 FreeBSD 2.1             1995-12-xx [FBD]
 242 FreeBSD 2.1.5           1996-08-xx [FBD]
 243 NetBSD 1.2              1996-10-04 [NBD]
 244 OpenBSD 2.0             1996-10-18 [OBD]
 245 FreeBSD 2.1.6           1996-12-xx [FBD]
 246 FreeBSD 2.1.7           1997-02-xx [FBD]
 247 FreeBSD 2.2.1           1997-04-xx [FBD]
 248 NetBSD 1.2.1            1997-05-20 [NBD]
 249 OpenBSD 2.1             1997-06-01 [OBD]
 250 FreeBSD 2.2.2           1997-06-xx [FBD]
 251 NetBSD 1.3              1997-09-24 [NBD]
 252 FreeBSD 2.2.5           1997-11-xx [FBD]
 253 OpenBSD 2.2             1997-12-01 [OBD]
 254 FreeBSD 2.2.6           1998-03-xx [FBD]
 255 OpenBSD 2.3             1998-05-19 [OBD]
 256 NetBSD 1.3.2            1998-05-24 [NBD]
 257 FreeBSD 2.2.7           1998-07-xx [FBD]
 258 FreeBSD 3.0             1998-10-16 [FBD]
 259                                 FreeBSD-3.0 is a snapshot from -current,
 260                                 while 3.1 and 3.2 are from 3.x-stable which
 261                                 was branched quite some time after 3.0-release
 262 FreeBSD 2.2.8           1998-11-29 [FBD]
 263 OpenBSD 2.4             1998-12-01 [OBD]
 264 NetBSD 1.3.3            1998-12-23 [NBD]
 265 FreeBSD 3.1             1999-02-15 [FBD]
 266 FreeBSD 3.2             1999-05-17 [FBD]
 267 OpenBSD 2.5             1999-05-19 [OBD]
 268 FreeBSD 3.3             1999-09-17 [FBD]
 269 OpenBSD 2.6             1999-12-01 [OBD]
 270 FreeBSD 3.4             1999-12-20 [FBD]
 271
 272
 273 Bibliography
 274 ------------------------
 275
 276 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
 277 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
 278 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
 279
 280 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
 281 Company, Inc., 1994. ISBN 0-201-54777-5
 282
 283 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
 284 Quarterman. The Design and Implementation of the 4.4BSD Operating
 285 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
 286
 287 Doug McIlroy. Research Unix Reader.
 288
 289 Michael G. Brown. The Role of BSD in the Development of Unix.
 290 Presented to the Tasmanian Unix Special Interest Group of the
 291 Australian Computer Society, Hobart, August 1993.
 292 URL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html
 293
 294 Peter H. Salus. Unix at 25. Byte Magazin, October 1994.
 295 URL: http://www.byte.com/art/9410/sec8/art3.htm
 296
 297 Andreas Klemm, Lars Köller. If you're going to San Francisco ...
 298 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
 299 URL: http://www.heise.de
 300
 301 BSD Release Announcements collection.
 302 URL: http://www.de.FreeBSD.ORG/de/ftp/releases/
 303
 304 BSD Hypertext Man Pages
 305 http://www.freebsd.org/cgi/man.cgi
 306
 307 Acknowledgments
 308 ---------------
 309
 310 Josh Gilliam for suggestions, bugfixes, and finding very old
 311 original BSD announcements from Usenet or tapes.
 312
 313 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
 314
 315 --
 316 Copyright (c) 1997-1999 Wolfram Schneider <wosch@FreeBSD.ORG>
 317 URL: ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree
 318
 319 $FreeBSD$