bsd-family-tree revision 1.50
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 1.43 hubertf 4.0BSD 2.79BSD 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 1.46 riz | -NetBSD 0.8 | BSD/386 1.0 66 1.46 riz | / | | | 67 1.46 riz 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 1.11 itojun | .-----\------------- 4.4BSD Lite2 | 80 1.11 itojun | | \ | | | | | 81 1.11 itojun | | .-----|------Rhapsody | | | | 82 1.11 itojun | | | | NetBSD 1.3 | | | 83 1.11 itojun | | | | OpenBSD 2.3 | | 84 1.11 itojun | | | | BSD/OS 3.0 | 85 1.11 itojun FreeBSD 2.1 | | | | 86 1.11 itojun | | | | NetBSD 1.1 ------. BSD/OS 2.1 87 1.11 itojun | FreeBSD 2.1.5 | | | \ | 88 1.11 itojun | | | | NetBSD 1.2 \ BSD/OS 3.0 89 1.11 itojun | FreeBSD 2.1.6 | | | \ OpenBSD 2.0 | 90 1.11 itojun | | | | | \ | | 91 1.11 itojun | FreeBSD 2.1.6.1 | | | \ | | 92 1.11 itojun | | | | | \ | | 93 1.11 itojun | FreeBSD 2.1.7 | | | | | | 94 1.11 itojun | | | | | NetBSD 1.2.1 | | 95 1.11 itojun | FreeBSD 2.1.7.1 | | | | | 96 1.11 itojun | | | | | | 97 1.11 itojun | | | | | | 98 1.11 itojun *-FreeBSD 2.2 | | | | | 99 1.11 itojun | \ | | | | | 100 1.11 itojun | FreeBSD 2.2.1 | | | | | 101 1.11 itojun | | | | | | | 102 1.11 itojun | FreeBSD 2.2.2 | | | OpenBSD 2.1 | 103 1.11 itojun | | | | | | | 104 1.11 itojun | FreeBSD 2.2.5 | | | | | 105 1.11 itojun | | | | | OpenBSD 2.2 | 106 1.11 itojun | | | | NetBSD 1.3 | | 107 1.11 itojun | FreeBSD 2.2.6 | | | | | | 108 1.11 itojun | | | | | NetBSD 1.3.1 | BSD/OS 3.1 109 1.11 itojun | | | | | | OpenBSD 2.3 | 110 1.11 itojun | | | | | NetBSD 1.3.2 | | 111 1.11 itojun | FreeBSD 2.2.7 | | | | | | 112 1.11 itojun | | | | | | | BSD/OS 4.0 113 1.11 itojun | v | | | | | | 114 1.11 itojun | FreeBSD 2.2.8 | | | | | | 115 1.11 itojun | | | | | OpenBSD 2.4 | 116 1.11 itojun FreeBSD 3.0 <--------* | | v | | 117 1.11 itojun | | | NetBSD 1.3.3 | | 118 1.11 itojun *---FreeBSD 3.1 | | | | 119 1.11 itojun | | | | | BSD/OS 4.0.1 120 1.11 itojun | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 | 121 1.11 itojun | | | | | | | | | 122 1.11 itojun | | | | | | | | | 123 1.11 itojun | | | | | | | | | 124 1.11 itojun | FreeBSD 3.3 | | | | NetBSD 1.4.1 | | 125 1.11 itojun | | | | | | | OpenBSD 2.6 | 126 1.11 itojun | FreeBSD 3.4 | | | | | | | 127 1.11 itojun | | | | | | | | BSD/OS 4.1 128 1.11 itojun FreeBSD 4.0 | | | | | NetBSD 1.4.2 | | 129 1.11 itojun | | | | | | | | | 130 1.11 itojun | | | | | | | | | 131 1.11 itojun | FreeBSD 3.5 | | | | | OpenBSD 2.7 | 132 1.11 itojun | | | | | | | | | 133 1.11 itojun | FreeBSD 3.5.1 | | | | | | | 134 1.11 itojun | | | | | | | | 135 1.11 itojun *---FreeBSD 4.1 | | | | | | | 136 1.11 itojun | | | | (?) | | | | 137 1.11 itojun | FreeBSD 4.1.1 | | / | | | | 138 1.16 junyoung | | | | / | | | | 139 1.11 itojun | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | | 140 1.25 soda | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2 141 1.25 soda | | | | | | 142 1.13 junyoung | | | | | | 143 1.11 itojun | | 10.0 NetBSD 1.5 | | 144 1.17 junyoung | FreeBSD 4.3 | | | | | 145 1.17 junyoung | | | | | OpenBSD 2.9 | 146 1.17 junyoung | | | | NetBSD 1.5.1 | | 147 1.17 junyoung | | | | | | | 148 1.17 junyoung | FreeBSD 4.4-. | | NetBSD 1.5.2 | | 149 1.17 junyoung | | | Mac OS X | | | | 150 1.17 junyoung | | | 10.1 | | OpenBSD 3.0 | 151 1.17 junyoung | FreeBSD 4.5 | | | | | | 152 1.17 junyoung | | \ | | | | BSD/OS 4.3 153 1.17 junyoung | FreeBSD 4.6 \ | | | OpenBSD 3.1 | 154 1.43 hubertf | | \ | | NetBSD 1.5.3 | | 155 1.25 soda | FreeBSD 4.6.2 Mac OS X | | | 156 1.25 soda | | 10.2 | | | 157 1.21 cjep | FreeBSD 4.7 | | | | 158 1.21 cjep | | | NetBSD 1.6 OpenBSD 3.2 | 159 1.21 cjep | FreeBSD 4.8 | | | | | 160 1.21 cjep | | | | NetBSD 1.6.1 | | 161 1.23 peter | |--------. | | | OpenBSD 3.3 BSD/OS 5.0 162 1.23 peter | | \ | | | | | 163 1.23 peter | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE 164 1.23 peter | | | | | | | 165 1.23 peter | | | | | NetBSD 1.6.2 | 166 1.23 peter | | | | | | | 167 1.23 peter | | | | | | OpenBSD 3.5 168 1.23 peter | | | | | v | 169 1.23 peter | FreeBSD 4.10 | | | | 170 1.23 peter | | | | | | 171 1.23 peter | FreeBSD 4.11 | | | | 172 1.42 hubertf | | | | | 173 1.42 hubertf | `-|------|-----------------|---------------------. 174 1.23 peter | | | | \ 175 1.23 peter FreeBSD 5.0 | | | | 176 1.23 peter | | | | | 177 1.40 xtraeme FreeBSD 5.1 | | | DragonFly 1.0 178 1.23 peter | \ | | | | 179 1.23 peter | ----- Mac OS X | | | 180 1.23 peter | 10.3 | | | 181 1.23 peter FreeBSD 5.2 | | | | 182 1.23 peter | | | | | | 183 1.23 peter | FreeBSD 5.2.1 | | | | 184 1.23 peter | | | | | 185 1.35 rpaulo *-------FreeBSD 5.3 | | | | 186 1.35 rpaulo | | | | OpenBSD 3.6 | 187 1.35 rpaulo | | | NetBSD 2.0 | | 188 1.40 xtraeme | | | | | | | DragonFly 1.2.0 189 1.35 rpaulo | | Mac OS X | | NetBSD 2.0.2 | | 190 1.35 rpaulo | | 10.4 | | | | | 191 1.35 rpaulo | FreeBSD 5.4 | | | | | | 192 1.35 rpaulo | | | | | | OpenBSD 3.7 | 193 1.35 rpaulo | | | | | NetBSD 2.0.3 | | 194 1.35 rpaulo | | | | | | | | 195 1.35 rpaulo *--FreeBSD | | | | v OpenBSD 3.8 | 196 1.35 rpaulo | 6.0 | | | | | | 197 1.35 rpaulo | | | | | \ | | 198 1.35 rpaulo | | | | | NetBSD 2.1 | | 199 1.35 rpaulo | | | | | | | 200 1.35 rpaulo | | | | NetBSD 3.0 | | 201 1.40 xtraeme | | | | | | | | DragonFly 1.4.0 202 1.38 rpaulo | | | | | | | OpenBSD 3.9 | 203 1.38 rpaulo | FreeBSD | | | | | | | 204 1.38 rpaulo | 6.1 | | | | | | | 205 1.38 rpaulo | | FreeBSD 5.5 | | | | | | 206 1.40 xtraeme | | | | | NetBSD 3.0.1 | DragonFly 1.6.0 207 1.38 rpaulo | | | | | | | | 208 1.39 rpaulo | | | | | | OpenBSD 4.0 | 209 1.39 rpaulo | | | | | NetBSD 3.0.2 | | 210 1.39 rpaulo | | | | NetBSD 3.1 | | 211 1.39 rpaulo | FreeBSD 6.2 | | | | 212 1.40 xtraeme | | | | | DragonFly 1.8.0 213 1.40 xtraeme | | | | OpenBSD 4.1 | 214 1.40 xtraeme | | | | | DragonFly 1.10.0 215 1.42 hubertf | | Mac OS X | | | 216 1.42 hubertf | | 10.5 | | | 217 1.40 xtraeme | | | | OpenBSD 4.2 | 218 1.42 hubertf | | | NetBSD 4.0 | | 219 1.47 riz | FreeBSD 6.3 | | | | | 220 1.47 riz | \ | | | | | 221 1.47 riz *--FreeBSD | | | | | DragonFly 1.12.0 222 1.47 riz | 7.0 | | | | | | 223 1.47 riz | | | | | | OpenBSD 4.3 | 224 1.50 apb | | | | | NetBSD | DragonFly 2.0.0 225 1.50 apb | | FreeBSD | | 4.0.1 OpenBSD 4.4 | 226 1.42 hubertf | | 6.4 | | | | 227 1.42 hubertf | | | | | | 228 1.42 hubertf | FreeBSD 7.1 | | | | 229 1.43 hubertf | | | | | DragonFly 2.2.0 230 1.43 hubertf | FreeBSD 7.2 | NetBSD 5.0 OpenBSD 4.5 | 231 1.47 riz | \ | | | \ | | 232 1.47 riz | | Mac OS X | | \ | | 233 1.47 riz | | 10.6 | | \ | | 234 1.47 riz | | | | | NetBSD | DragonFly 2.4.0 235 1.47 riz | | | | | 5.0.1 OpenBSD 4.6 | 236 1.47 riz | | | | | | | | 237 1.47 riz *--FreeBSD | | | | | | | 238 1.47 riz | 8.0 | | | | | | | 239 1.47 riz | | FreeBSD | | | NetBSD | | 240 1.47 riz | | 7.3 | | | 5.0.2 | DragonFly 2.6.0 241 1.47 riz | | | | | | OpenBSD 4.7 | 242 1.47 riz | FreeBSD | | | | | | 243 1.47 riz | 8.1 | | | | | | 244 1.47 riz | | | | | | | DragonFly 2.8.2 245 1.50 apb | | | | | | OpenBSD 4.8 | 246 1.50 apb | | | | | *--NetBSD | | 247 1.50 apb | FreeBSD FreeBSD | | | 5.1 | | 248 1.50 apb | 8.2 7.4 | | | | | DragonFly 2.10.1 249 1.50 apb | | | | | | OpenBSD 4.9 | 250 1.50 apb | `-----. Mac OS X | | | | | 251 1.50 apb | \ 10.7 | | | | | 252 1.50 apb | | | | | | OpenBSD 5.0 | 253 1.50 apb *--FreeBSD | | | | | | | 254 1.50 apb | 9.0 | | | | NetBSD | DragonFly 3.0.1 255 1.50 apb | | FreeBSD | | | 5.1.2 | | 256 1.50 apb | | 8.3 | | | OpenBSD 5.1 | 257 1.50 apb | | Mac OS X | `----. | | 258 1.50 apb | | 10.8 | \ | | 259 1.49 riz | | | NetBSD 6.0 | | | 260 1.50 apb | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 261 1.50 apb | FreeBSD | | | | NetBSD | | 262 1.50 apb | 9.1 | | | | 5.2 | | 263 1.50 apb | | | | \ | | 264 1.50 apb | | | | NetBSD | | 265 1.50 apb | | | | 6.0.1 | | 266 1.49 riz | | | | | OpenBSD 5.3 DragonFly 3.4.1 267 1.50 apb | | | | NetBSD | | 268 1.50 apb | | | | 6.0.2 | | 269 1.50 apb | | | | | | 270 1.49 riz | | | `-NetBSD 6.1 | | 271 1.48 apb | | | | | 272 1.48 apb | | | | | 273 1.42 hubertf | | | | | 274 1.43 hubertf FreeBSD 10 -current | NetBSD -current OpenBSD -current | 275 1.23 peter | | | | | 276 1.23 peter v v v v v 277 1.1 abs 278 1.1 abs Time 279 1.1 abs ---------------- 280 1.1 abs 281 1.7 itojun Time tolerance +/- 6 months, depending on which book/article you read; if it 282 1.7 itojun was the announcement in Usenet or if it was available as tape. 283 1.1 abs 284 1.1 abs [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 285 1.1 abs and John Quarterman. The Design and Implementation of 286 1.1 abs the 4.4BSD Operating System. 287 1.11 itojun [APL] Apple website [http://www.apple.com/macosx/] 288 1.17 junyoung [BSDI] Berkeley Software Design, Inc. 289 1.24 soda [DFB] DragonFlyBSD Project, The. 290 1.1 abs [DOC] README, COPYRIGHT on tape. 291 1.17 junyoung [FBD] FreeBSD Project, The. 292 1.1 abs [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 293 1.1 abs Volume 11, Info 4, April, 1987. 294 1.1 abs [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 295 1.1 abs comp.bugs.4bsd.ucb-fixes, June 15, 1988. 296 1.17 junyoung [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 297 1.17 junyoung Changes in the Kernel in 2.9BSD. Second Berkeley Software 298 1.17 junyoung Distribution UNIX Version 2.9, July, 1983. 299 1.1 abs [NBD] NetBSD Project, The. 300 1.1 abs [OBD] OpenBSD Project, The. 301 1.17 junyoung [QCU] Salus, Peter H. A quarter century of UNIX. 302 1.17 junyoung [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 303 1.43 hubertf [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 304 1.17 junyoung [USE] Usenet announcement. 305 1.17 junyoung [WRS] Wind River Systems, Inc. 306 1.1 abs [dmr] Dennis Ritchie, via E-Mail 307 1.1 abs 308 1.1 abs Multics 1965 309 1.6 itojun UNIX Summer 1969 310 1.1 abs DEC PDP-7 311 1.1 abs First Edition 1971-11-03 [QCU] 312 1.1 abs DEC PDP-11/20, Assembler 313 1.1 abs Second Edition 1972-06-12 [QCU] 314 1.6 itojun 10 UNIX installations 315 1.1 abs Third Edition 1973-02-xx [QCU] 316 1.1 abs Pipes, 16 installations 317 1.1 abs Fourth Edition 1973-11-xx [QCU] 318 1.1 abs rewriting in C effected, 319 1.1 abs above 30 installations 320 1.1 abs Fifth Edition 1974-06-xx [QCU] 321 1.1 abs above 50 installations 322 1.1 abs Sixth Edition 1975-05-xx [QCU] 323 1.1 abs port to DEC Vax 324 1.1 abs Seventh Edition 1979-01-xx [QCU] 325 1.6 itojun first portable UNIX 326 1.6 itojun Eighth Edition 1985-02-xx [QCU] 327 1.1 abs VAX 11/750, VAX 11/780 [dmr] 328 1.1 abs descended from 4.1c BSD [dmr] 329 1.1 abs descended from 4.1 BSD [44B] 330 1.7 itojun scooping-out and replacement of the character-device 331 1.1 abs and networking part by the streams mechanism 332 1.1 abs 333 1.1 abs Ninth Edition 1986-09-xx [QCU] 334 1.1 abs Tenth Edition 1989-10-xx [QCU] 335 1.1 abs 336 1.1 abs 1BSD late 1977 337 1.1 abs 1978-03-09 [QCU] 338 1.1 abs PDP-11, Pascal, ex(1) 339 1.1 abs 30 free copies of 1BSD sent out 340 1.1 abs 35 tapes sold for 50 USD [QCU] 341 1.43 hubertf 2BSD mid 1978 [QCU] 1979-05-10 [TUHS] 342 1.1 abs 75 2BSD tapes shipped 343 1.43 hubertf 2.79BSD 1980-04-xx [TUHS] 344 1.1 abs 2.8BSD 1981-07-xx [KSJ] 345 1.1 abs 346 1.1 abs 2.8.1BSD 1982-01-xx [QCU] 347 1.1 abs set of performance improvements 348 1.1 abs 2.9BSD 1983-07-xx [KSJ] 349 1.43 hubertf 2.9.1BSD 1983-11-xx [TUHS] 350 1.1 abs 2.9BSD-Seismo 1985-08-xx [SMS] 351 1.1 abs 2.10BSD 1987-04-xx [KKK] 352 1.1 abs 2.10.1BSD 1989-01-xx [SMS] 353 1.1 abs 2.11BSD 1992-02-xx [SMS] 354 1.6 itojun 2.11BSD rev #430 1999-12-13 [SMS] 355 1.1 abs 356 1.1 abs 32V 1978-1[01]-xx [QCU] 357 1.43 hubertf 3BSD late 1979 [QCU] March 1980 [TUHS] 358 1.1 abs virtual memory, page replacement, 359 1.1 abs demand paging 360 1.1 abs 4.0BSD 1980-10-xx 361 1.13 junyoung 4.1BSD 1981-07-08 [DOC] 362 1.1 abs 4.1aBSD 1982-04-xx 363 1.1 abs alpha release, 100 sites, networking [44B] 364 1.1 abs 4.1bBSD internal release, fast filesystem [44B] 365 1.1 abs 4.1cBSD late 1982 366 1.1 abs beta release, IPC [44B] 367 1.1 abs 4.2BSD 1983-09-xx [QCU] 368 1.13 junyoung 1983-08-03 [DOC] 369 1.1 abs 4.3BSD 1986-06-xx [QCU] 370 1.13 junyoung 1986-04-05 [KB], [DOC] 371 1.13 junyoung 4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 372 1.1 abs 4.3BSD NET/1 1988-11-xx [QCU] 373 1.13 junyoung 1989-01-01 [DOC] 374 1.13 junyoung 4.3BSD Reno 1990-06-29 [QCU], [DOC] 375 1.13 junyoung 4.3BSD NET/2 1991-06-28 [QCU], [DOC] 376 1.7 itojun 377 1.7 itojun BSD/386 ALPHA 1991-12-xx [BSDI] 378 1.7 itojun first code released to people outside BSDI 379 1.1 abs 386BSD 0.0 1992-02-xx [DOC] 380 1.7 itojun BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 381 1.7 itojun BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 382 1.7 itojun 386BSD 0.1 1992-07-28 [DOC] 383 1.1 abs 4.4BSD Alpha 1992-07-07 384 1.7 itojun BSD/386 0.9.3 1992-10-xx [BSDI] 385 1.7 itojun first external gamma; G customers 386 1.7 itojun BSD/386 0.9.4 1992-12-xx [BSDI] 387 1.7 itojun would have been 1.0 except for request 388 1.7 itojun for preliminary injunction 389 1.7 itojun BSD/386 1.0 1993-03-xx [BSDI] 390 1.7 itojun injunction denied; first official release 391 1.6 itojun NetBSD 0.8 1993-04-20 [NBD] 392 1.1 abs 4.4BSD 1993-06-01 [USE] 393 1.1 abs NetBSD 0.9 1993-08-23 [NBD] 394 1.8 itojun FreeBSD 1.0 1993-11-01 [FBD] 395 1.40 xtraeme FreeBSD 1.0.2 1993-11-14 [FBD] 396 1.40 xtraeme supersedes 1.0 13 days after release. 397 1.7 itojun BSD/386 1.1 1994-02-xx [BSDI] 398 1.1 abs 4.4BSD Lite 1994-03-01 [USE] 399 1.24 soda FreeBSD 1.1 1994-05-07 [FBD] 400 1.24 soda FreeBSD 1.1.5 1994-06-30 [FBD] 401 1.24 soda FreeBSD 1.1.5.1 1994-07-05 [FBD] 402 1.24 soda supersedes 1.1.5 5 days after release. 403 1.6 itojun NetBSD 1.0 1994-10-26 [NBD] 404 1.1 abs 386BSD 1.0 1994-11-12 [USE] 405 1.24 soda FreeBSD 2.0 1994-11-23 [FBD] 406 1.7 itojun BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 407 1.7 itojun FreeBSD 2.0.5 1995-06-10 [FBD] 408 1.7 itojun BSD/OS 2.0.1 1995-06-xx [BSDI] 409 1.6 itojun 4.4BSD Lite Release 2 1995-06-xx [44B] 410 1.6 itojun the true final distribution from the CSRG 411 1.7 itojun FreeBSD 2.1.0 1995-11-19 [FBD] 412 1.1 abs NetBSD 1.1 1995-11-26 [NBD] 413 1.7 itojun BSD/OS 2.1 1996-01-xx [BSDI] 414 1.7 itojun FreeBSD 2.1.5 1996-07-14 [FBD] 415 1.1 abs NetBSD 1.2 1996-10-04 [NBD] 416 1.1 abs OpenBSD 2.0 1996-10-18 [OBD] 417 1.7 itojun FreeBSD 2.1.6 1996-11-16 [FBD] 418 1.7 itojun FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 419 1.11 itojun Rhapsody 1997-xx-xx 420 1.7 itojun FreeBSD 2.1.7 1997-02-20 [FBD] 421 1.7 itojun BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 422 1.7 itojun FreeBSD 2.2.0 1997-03-16 [FBD] 423 1.7 itojun FreeBSD 2.2.1 1997-03-25 [FBD] 424 1.7 itojun FreeBSD 2.2.2 1997-05-16 [FBD] 425 1.6 itojun NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 426 1.1 abs OpenBSD 2.1 1997-06-01 [OBD] 427 1.7 itojun FreeBSD 2.2.5 1997-10-22 [FBD] 428 1.1 abs OpenBSD 2.2 1997-12-01 [OBD] 429 1.5 abs NetBSD 1.3 1998-01-04 [NBD] 430 1.7 itojun FreeBSD 2.2.6 1998-03-25 [FBD] 431 1.6 itojun NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 432 1.7 itojun BSD/OS 3.1 1998-03-xx [BSDI] 433 1.1 abs OpenBSD 2.3 1998-05-19 [OBD] 434 1.6 itojun NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 435 1.7 itojun FreeBSD 2.2.7 1998-07-22 [FBD] 436 1.7 itojun BSD/OS 4.0 1998-08-xx [BSDI] 437 1.7 itojun 2-lock MP support, ELF executables 438 1.6 itojun FreeBSD 3.0 1998-10-16 [FBD] 439 1.7 itojun FreeBSD-3.0 is a snapshot from -current, 440 1.7 itojun while 3.1 and 3.2 are from 3.x-stable which 441 1.6 itojun was branched quite some time after 3.0-release 442 1.1 abs FreeBSD 2.2.8 1998-11-29 [FBD] 443 1.1 abs OpenBSD 2.4 1998-12-01 [OBD] 444 1.6 itojun NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 445 1.6 itojun FreeBSD 3.1 1999-02-15 [FBD] 446 1.7 itojun BSD/OS 4.0.1 1999-03-xx [BSDI] 447 1.4 abs NetBSD 1.4 1999-05-12 [NBD] 448 1.6 itojun FreeBSD 3.2 1999-05-17 [FBD] 449 1.4 abs OpenBSD 2.5 1999-05-19 [OBD] 450 1.6 itojun NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 451 1.6 itojun FreeBSD 3.3 1999-09-17 [FBD] 452 1.6 itojun OpenBSD 2.6 1999-12-01 [OBD] 453 1.6 itojun FreeBSD 3.4 1999-12-20 [FBD] 454 1.7 itojun BSD/OS 4.1 1999-12-xx [BSDI] 455 1.6 itojun FreeBSD 4.0 2000-03-13 [FBD] 456 1.6 itojun NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 457 1.6 itojun OpenBSD 2.7 2000-06-15 [OBD] 458 1.6 itojun FreeBSD 3.5 2000-06-24 [FBD] 459 1.6 itojun FreeBSD 4.1 2000-07-27 [FBD] 460 1.6 itojun FreeBSD 3.5.1 2000-07-28 [FBD] 461 1.6 itojun FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 462 1.7 itojun FreeBSD 4.2 2000-11-21 [FBD] 463 1.7 itojun NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 464 1.7 itojun BSD/OS 4.2 2000-11-29 [BSDI] 465 1.7 itojun OpenBSD 2.8 2000-12-01 [OBD] 466 1.7 itojun NetBSD 1.5 2000-12-06 [NBD] 467 1.11 itojun Mac OS X 10.0 2001-03-24 [APL] 468 1.8 itojun FreeBSD 4.3 2001-04-20 [FBD] 469 1.8 itojun OpenBSD 2.9 2001-06-01 [OBD] 470 1.11 itojun NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 471 1.11 itojun NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 472 1.11 itojun FreeBSD 4.4 2001-09-18 [FBD] 473 1.17 junyoung Mac OS X 10.1 2001-09-29 [APL] 474 1.13 junyoung OpenBSD 3.0 2001-12-01 [OBD] 475 1.13 junyoung FreeBSD 4.5 2002-01-29 [FBD] 476 1.17 junyoung BSD/OS 4.3 2002-03-14 [WRS] 477 1.17 junyoung OpenBSD 3.1 2002-05-19 [OBD] 478 1.17 junyoung FreeBSD 4.6 2002-06-15 [FBD] 479 1.14 junyoung NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 480 1.17 junyoung FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 481 1.17 junyoung Mac OS X 10.2 2002-08-23 [APL] 482 1.17 junyoung NetBSD 1.6 2002-09-14 [NBD] 483 1.17 junyoung FreeBSD 4.7 2002-10-08 [FBD] 484 1.19 wiz OpenBSD 3.2 2002-11-01 [OBD] 485 1.20 itojun FreeBSD 5.0 2003-01-17 [FBD] 486 1.20 itojun FreeBSD 5.0 is a separate branch off of 487 1.20 itojun -current, similar to 3.0. 488 1.20 itojun FreeBSD 4.8 2003-04-03 [FBD] 489 1.20 itojun NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 490 1.20 itojun OpenBSD 3.3 2003-05-01 [OBD] 491 1.21 cjep BSD/OS 5.0 2003-05-?? [WRS] 492 1.21 cjep FreeBSD 5.1 2003-06-09 [FBD] 493 1.23 peter Mac OS X 10.3 2003-10-24 [APL] 494 1.23 peter FreeBSD 4.9 2003-10-28 [FBD] 495 1.23 peter BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 496 1.23 peter OpenBSD 3.4 2003-11-01 [OBD] 497 1.23 peter FreeBSD 5.2 2004-01-12 [FBD] 498 1.23 peter FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 499 1.23 peter NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 500 1.23 peter OpenBSD 3.5 2004-04-01 [OBD] 501 1.23 peter FreeBSD 4.10 2004-05-27 [FBD] 502 1.24 soda DragonFly 1.0 2004-07-12 [DFB] 503 1.23 peter OpenBSD 3.6 2004-10-29 [OBD] 504 1.23 peter FreeBSD 5.3 2004-11-06 [FBD] 505 1.23 peter NetBSD 2.0 2004-12-09 [NBD] 506 1.23 peter FreeBSD 4.11 2005-01-25 [FBD] 507 1.24 soda DragonFly 1.2.0 2005-04-08 [DFB] 508 1.26 soda NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 509 1.24 soda Mac OS X 10.4 2005-04-29 [APL] 510 1.24 soda FreeBSD 5.4 2005-05-09 [FBD] 511 1.24 soda OpenBSD 3.7 2005-05-19 [OBD] 512 1.28 rpaulo NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 513 1.27 rpaulo OpenBSD 3.8 2005-11-01 [OBD] 514 1.29 rpaulo FreeBSD 6.0 2005-11-01 [FBD] 515 1.28 rpaulo NetBSD 2.1 2005-11-02 [NBD] 516 1.30 rpaulo NetBSD 3.0 2005-12-23 [NBD] 517 1.30 rpaulo DragonFly 1.4.0 2006-01-08 [DFB] 518 1.34 rpaulo OpenBSD 3.9 2006-05-01 [OBD] 519 1.35 rpaulo FreeBSD 6.1 2006-05-08 [FBD] 520 1.35 rpaulo FreeBSD 5.5 2006-05-25 [FBD] 521 1.36 rpaulo NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 522 1.37 rpaulo DragonFly 1.6.0 2006-07-24 [DFB] 523 1.38 rpaulo OpenBSD 4.0 2006-11-01 [OBD] 524 1.38 rpaulo NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 525 1.38 rpaulo NetBSD 3.1 2006-11-04 [NBD] 526 1.39 rpaulo FreeBSD 6.2 2007-01-15 [FBD] 527 1.39 rpaulo DragonFly 1.8.0 2007-01-30 [DFB] 528 1.40 xtraeme OpenBSD 4.1 2007-05-01 [OBD] 529 1.40 xtraeme DragonFly 1.10.0 2007-08-06 [DFB] 530 1.42 hubertf Mac OS X 10.5 2007-10-26 [APL] 531 1.40 xtraeme OpenBSD 4.2 2007-11-01 [OBD] 532 1.42 hubertf NetBSD 4.0 2007-12-19 [NBD] 533 1.42 hubertf FreeBSD 6.3 2008-01-18 [FBD] 534 1.42 hubertf DragonFly 1.12.0 2008-02-26 [DFB] 535 1.42 hubertf FreeBSD 7.0 2008-02-27 [FBD] 536 1.42 hubertf OpenBSD 4.3 2008-05-01 [OBD] 537 1.42 hubertf DragonFly 2.0.0 2008-07-21 [DFB] 538 1.42 hubertf OpenBSD 4.4 2008-11-01 [OBD] 539 1.42 hubertf FreeBSD 6.4 2008-11-28 [FBD] 540 1.42 hubertf FreeBSD 7.1 2009-01-04 [FBD] 541 1.43 hubertf DragonFly 2.2.0 2009-02-17 [DFB] 542 1.43 hubertf NetBSD 5.0 2009-04-29 [NBD] 543 1.43 hubertf OpenBSD 4.5 2009-05-01 [OBD] 544 1.43 hubertf FreeBSD 7.2 2009-05-04 [FBD] 545 1.43 hubertf Mac OS X 10.6 2009-06-08 [APL] 546 1.47 riz NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 547 1.43 hubertf DragonFly 2.4.0 2009-09-16 [DFB] 548 1.43 hubertf OpenBSD 4.6 2009-10-18 [OBD] 549 1.43 hubertf FreeBSD 8.0 2009-11-26 [FBD] 550 1.47 riz NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 551 1.43 hubertf FreeBSD 7.3 2010-03-23 [FBD] 552 1.43 hubertf DragonFly 2.6.0 2010-03-28 [DFB] 553 1.43 hubertf OpenBSD 4.7 2010-05-19 [OBD] 554 1.43 hubertf FreeBSD 8.1 2010-07-24 [FBD] 555 1.43 hubertf DragonFly 2.8.2 2010-10-30 [DFB] 556 1.43 hubertf OpenBSD 4.8 2010-11-01 [OBD] 557 1.43 hubertf NetBSD 5.1 2010-11-19 [NBD] 558 1.43 hubertf FreeBSD 7.4 2011-02-24 [FBD] 559 1.43 hubertf FreeBSD 8.2 2011-02-24 [FBD] 560 1.43 hubertf DragonFly 2.10.1 2011-04-26 [DFB] 561 1.43 hubertf OpenBSD 4.9 2011-05-01 [OBD] 562 1.43 hubertf Mac OS X 10.7 2011-07-20 [APL] 563 1.43 hubertf OpenBSD 5.0 2011-11-01 [OBD] 564 1.43 hubertf FreeBSD 9.0 2012-01-12 [FBD] 565 1.47 riz NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 566 1.44 ryoon DragonFly 3.0.1 2012-02-21 [DFB] 567 1.45 jnemeth FreeBSD 8.3 2012-04-18 [FBD] 568 1.45 jnemeth OpenBSD 5.1 2012-05-01 [OBD] 569 1.45 jnemeth Mac OS X 10.8 2012-07-25 [APL] 570 1.45 jnemeth NetBSD 6.0 2012-10-17 [NBD] 571 1.48 apb OpenBSD 5.2 2012-11-01 [OBD] 572 1.48 apb DragonFly 3.2.1 2012-11-02 [DFB] 573 1.49 riz NetBSD 5.2 2012-12-03 [NBD] 574 1.49 riz NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 575 1.48 apb FreeBSD 9.1 2012-12-30 [FBD] 576 1.48 apb DragonFly 3.4.1 2013-04-29 [DFB] 577 1.48 apb OpenBSD 5.3 2013-05-01 [OBD] 578 1.49 riz NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 579 1.49 riz NetBSD 6.1 2013-05-18 [NBD] 580 1.1 abs 581 1.1 abs Bibliography 582 1.1 abs ------------------------ 583 1.1 abs 584 1.1 abs Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 585 1.1 abs Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 586 1.1 abs System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 587 1.1 abs 588 1.1 abs Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 589 1.1 abs Company, Inc., 1994. ISBN 0-201-54777-5 590 1.1 abs 591 1.1 abs McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 592 1.1 abs Quarterman. The Design and Implementation of the 4.4BSD Operating 593 1.1 abs System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 594 1.1 abs 595 1.23 peter McKusick, Marshall Kirk, George Neville-Neil. The Design and 596 1.23 peter Implementation of the FreeBSD Operating System. 597 1.23 peter Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 598 1.23 peter 599 1.1 abs Doug McIlroy. Research Unix Reader. 600 1.1 abs 601 1.1 abs Michael G. Brown. The Role of BSD in the Development of Unix. 602 1.1 abs Presented to the Tasmanian Unix Special Interest Group of the 603 1.1 abs Australian Computer Society, Hobart, August 1993. 604 1.1 abs 605 1.6 itojun Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 606 1.24 soda URL: http://www.byte.com/art/9410/sec8/art3.htm 607 1.1 abs 608 1.43 hubertf Andreas Klemm, Lars Kller. If you're going to San Francisco ... 609 1.1 abs Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 610 1.1 abs 611 1.1 abs BSD Release Announcements collection. 612 1.43 hubertf URL: http://www.FreeBSD.org/releases/ 613 1.1 abs 614 1.1 abs BSD Hypertext Man Pages 615 1.9 itojun URL: http://www.FreeBSD.org/cgi/man.cgi 616 1.6 itojun 617 1.6 itojun UNIX history graphing project 618 1.9 itojun URL: http://minnie.tuhs.org/Unix_History/index.html 619 1.6 itojun 620 1.6 itojun UNIX history 621 1.17 junyoung URL: http://www.levenez.com/unix/ 622 1.1 abs 623 1.8 itojun James Howard: The BSD Family Tree 624 1.32 rpaulo URL: http://ezine.daemonnews.org/200104/bsd_family.html 625 1.8 itojun ("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 626 1.8 itojun 627 1.8 itojun 628 1.1 abs Acknowledgments 629 1.1 abs --------------- 630 1.1 abs 631 1.6 itojun Josh Gilliam for suggestions, bug fixes, and finding very old 632 1.1 abs original BSD announcements from Usenet or tapes. 633 1.1 abs 634 1.1 abs Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 635 1.1 abs 636 1.1 abs -- 637 1.43 hubertf Copyright (c) 1997-2012 Wolfram Schneider <wosch (a] FreeBSD.ORG> 638 1.22 itojun URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree 639 1.1 abs 640 1.45 jnemeth $FreeBSD$ 641
Indexes created Wed Nov 05 01:09:58 GMT 2025