bsd-family-tree revision 1.49
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 1.47 riz | | | | | NetBSD 4.0.1 | DragonFly 2.0.0 225 1.42 hubertf | | FreeBSD | | 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 1.47 riz | | | | | \ OpenBSD 4.8 | 246 1.47 riz | | | | | NetBSD | | 247 1.47 riz | FreeBSD FreeBSD | | 5.1 | | 248 1.49 riz | 8.2 7.4 | | |\ | DragonFly 2.10.1 249 1.49 riz | | | | | \ OpenBSD 4.9 | 250 1.49 riz | `-----. Mac OS X | | | | | 251 1.49 riz | \ 10.7 | | | | | 252 1.49 riz | | | | | | OpenBSD 5.0 | 253 1.49 riz *--FreeBSD | | | | | | | 254 1.47 riz | 9.0 | | | NetBSD 5.1.2 | DragonFly 3.0.1 255 1.49 riz | | FreeBSD | | | | | 256 1.49 riz | | 8.3 | | | OpenBSD 5.1 | 257 1.49 riz | | Mac OS X | | | | 258 1.49 riz | | 10.8 | | | | 259 1.49 riz | | | NetBSD 6.0 | | | 260 1.49 riz | | | |\\ | OpenBSD 5.2 DragonFly 3.2.1 261 1.49 riz | FreeBSD | | |\ NetBSD 5.2 | | 262 1.49 riz | 9.1 | | | \ | | 263 1.49 riz | | | | NetBSD 6.0.1 | | 264 1.49 riz | | | | | OpenBSD 5.3 DragonFly 3.4.1 265 1.49 riz | | | | | | | 266 1.49 riz | | | | NetBSD 6.0.2 | | 267 1.49 riz | | | `-NetBSD 6.1 | | 268 1.48 apb | | | | | 269 1.48 apb | | | | | 270 1.42 hubertf | | | | | 271 1.43 hubertf FreeBSD 10 -current | NetBSD -current OpenBSD -current | 272 1.23 peter | | | | | 273 1.23 peter v v v v v 274 1.1 abs 275 1.1 abs Time 276 1.1 abs ---------------- 277 1.1 abs 278 1.7 itojun Time tolerance +/- 6 months, depending on which book/article you read; if it 279 1.7 itojun was the announcement in Usenet or if it was available as tape. 280 1.1 abs 281 1.1 abs [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 282 1.1 abs and John Quarterman. The Design and Implementation of 283 1.1 abs the 4.4BSD Operating System. 284 1.11 itojun [APL] Apple website [http://www.apple.com/macosx/] 285 1.17 junyoung [BSDI] Berkeley Software Design, Inc. 286 1.24 soda [DFB] DragonFlyBSD Project, The. 287 1.1 abs [DOC] README, COPYRIGHT on tape. 288 1.17 junyoung [FBD] FreeBSD Project, The. 289 1.1 abs [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 290 1.1 abs Volume 11, Info 4, April, 1987. 291 1.1 abs [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 292 1.1 abs comp.bugs.4bsd.ucb-fixes, June 15, 1988. 293 1.17 junyoung [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 294 1.17 junyoung Changes in the Kernel in 2.9BSD. Second Berkeley Software 295 1.17 junyoung Distribution UNIX Version 2.9, July, 1983. 296 1.1 abs [NBD] NetBSD Project, The. 297 1.1 abs [OBD] OpenBSD Project, The. 298 1.17 junyoung [QCU] Salus, Peter H. A quarter century of UNIX. 299 1.17 junyoung [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 300 1.43 hubertf [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 301 1.17 junyoung [USE] Usenet announcement. 302 1.17 junyoung [WRS] Wind River Systems, Inc. 303 1.1 abs [dmr] Dennis Ritchie, via E-Mail 304 1.1 abs 305 1.1 abs Multics 1965 306 1.6 itojun UNIX Summer 1969 307 1.1 abs DEC PDP-7 308 1.1 abs First Edition 1971-11-03 [QCU] 309 1.1 abs DEC PDP-11/20, Assembler 310 1.1 abs Second Edition 1972-06-12 [QCU] 311 1.6 itojun 10 UNIX installations 312 1.1 abs Third Edition 1973-02-xx [QCU] 313 1.1 abs Pipes, 16 installations 314 1.1 abs Fourth Edition 1973-11-xx [QCU] 315 1.1 abs rewriting in C effected, 316 1.1 abs above 30 installations 317 1.1 abs Fifth Edition 1974-06-xx [QCU] 318 1.1 abs above 50 installations 319 1.1 abs Sixth Edition 1975-05-xx [QCU] 320 1.1 abs port to DEC Vax 321 1.1 abs Seventh Edition 1979-01-xx [QCU] 322 1.6 itojun first portable UNIX 323 1.6 itojun Eighth Edition 1985-02-xx [QCU] 324 1.1 abs VAX 11/750, VAX 11/780 [dmr] 325 1.1 abs descended from 4.1c BSD [dmr] 326 1.1 abs descended from 4.1 BSD [44B] 327 1.7 itojun scooping-out and replacement of the character-device 328 1.1 abs and networking part by the streams mechanism 329 1.1 abs 330 1.1 abs Ninth Edition 1986-09-xx [QCU] 331 1.1 abs Tenth Edition 1989-10-xx [QCU] 332 1.1 abs 333 1.1 abs 1BSD late 1977 334 1.1 abs 1978-03-09 [QCU] 335 1.1 abs PDP-11, Pascal, ex(1) 336 1.1 abs 30 free copies of 1BSD sent out 337 1.1 abs 35 tapes sold for 50 USD [QCU] 338 1.43 hubertf 2BSD mid 1978 [QCU] 1979-05-10 [TUHS] 339 1.1 abs 75 2BSD tapes shipped 340 1.43 hubertf 2.79BSD 1980-04-xx [TUHS] 341 1.1 abs 2.8BSD 1981-07-xx [KSJ] 342 1.1 abs 343 1.1 abs 2.8.1BSD 1982-01-xx [QCU] 344 1.1 abs set of performance improvements 345 1.1 abs 2.9BSD 1983-07-xx [KSJ] 346 1.43 hubertf 2.9.1BSD 1983-11-xx [TUHS] 347 1.1 abs 2.9BSD-Seismo 1985-08-xx [SMS] 348 1.1 abs 2.10BSD 1987-04-xx [KKK] 349 1.1 abs 2.10.1BSD 1989-01-xx [SMS] 350 1.1 abs 2.11BSD 1992-02-xx [SMS] 351 1.6 itojun 2.11BSD rev #430 1999-12-13 [SMS] 352 1.1 abs 353 1.1 abs 32V 1978-1[01]-xx [QCU] 354 1.43 hubertf 3BSD late 1979 [QCU] March 1980 [TUHS] 355 1.1 abs virtual memory, page replacement, 356 1.1 abs demand paging 357 1.1 abs 4.0BSD 1980-10-xx 358 1.13 junyoung 4.1BSD 1981-07-08 [DOC] 359 1.1 abs 4.1aBSD 1982-04-xx 360 1.1 abs alpha release, 100 sites, networking [44B] 361 1.1 abs 4.1bBSD internal release, fast filesystem [44B] 362 1.1 abs 4.1cBSD late 1982 363 1.1 abs beta release, IPC [44B] 364 1.1 abs 4.2BSD 1983-09-xx [QCU] 365 1.13 junyoung 1983-08-03 [DOC] 366 1.1 abs 4.3BSD 1986-06-xx [QCU] 367 1.13 junyoung 1986-04-05 [KB], [DOC] 368 1.13 junyoung 4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 369 1.1 abs 4.3BSD NET/1 1988-11-xx [QCU] 370 1.13 junyoung 1989-01-01 [DOC] 371 1.13 junyoung 4.3BSD Reno 1990-06-29 [QCU], [DOC] 372 1.13 junyoung 4.3BSD NET/2 1991-06-28 [QCU], [DOC] 373 1.7 itojun 374 1.7 itojun BSD/386 ALPHA 1991-12-xx [BSDI] 375 1.7 itojun first code released to people outside BSDI 376 1.1 abs 386BSD 0.0 1992-02-xx [DOC] 377 1.7 itojun BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 378 1.7 itojun BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 379 1.7 itojun 386BSD 0.1 1992-07-28 [DOC] 380 1.1 abs 4.4BSD Alpha 1992-07-07 381 1.7 itojun BSD/386 0.9.3 1992-10-xx [BSDI] 382 1.7 itojun first external gamma; G customers 383 1.7 itojun BSD/386 0.9.4 1992-12-xx [BSDI] 384 1.7 itojun would have been 1.0 except for request 385 1.7 itojun for preliminary injunction 386 1.7 itojun BSD/386 1.0 1993-03-xx [BSDI] 387 1.7 itojun injunction denied; first official release 388 1.6 itojun NetBSD 0.8 1993-04-20 [NBD] 389 1.1 abs 4.4BSD 1993-06-01 [USE] 390 1.1 abs NetBSD 0.9 1993-08-23 [NBD] 391 1.8 itojun FreeBSD 1.0 1993-11-01 [FBD] 392 1.40 xtraeme FreeBSD 1.0.2 1993-11-14 [FBD] 393 1.40 xtraeme supersedes 1.0 13 days after release. 394 1.7 itojun BSD/386 1.1 1994-02-xx [BSDI] 395 1.1 abs 4.4BSD Lite 1994-03-01 [USE] 396 1.24 soda FreeBSD 1.1 1994-05-07 [FBD] 397 1.24 soda FreeBSD 1.1.5 1994-06-30 [FBD] 398 1.24 soda FreeBSD 1.1.5.1 1994-07-05 [FBD] 399 1.24 soda supersedes 1.1.5 5 days after release. 400 1.6 itojun NetBSD 1.0 1994-10-26 [NBD] 401 1.1 abs 386BSD 1.0 1994-11-12 [USE] 402 1.24 soda FreeBSD 2.0 1994-11-23 [FBD] 403 1.7 itojun BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 404 1.7 itojun FreeBSD 2.0.5 1995-06-10 [FBD] 405 1.7 itojun BSD/OS 2.0.1 1995-06-xx [BSDI] 406 1.6 itojun 4.4BSD Lite Release 2 1995-06-xx [44B] 407 1.6 itojun the true final distribution from the CSRG 408 1.7 itojun FreeBSD 2.1.0 1995-11-19 [FBD] 409 1.1 abs NetBSD 1.1 1995-11-26 [NBD] 410 1.7 itojun BSD/OS 2.1 1996-01-xx [BSDI] 411 1.7 itojun FreeBSD 2.1.5 1996-07-14 [FBD] 412 1.1 abs NetBSD 1.2 1996-10-04 [NBD] 413 1.1 abs OpenBSD 2.0 1996-10-18 [OBD] 414 1.7 itojun FreeBSD 2.1.6 1996-11-16 [FBD] 415 1.7 itojun FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 416 1.11 itojun Rhapsody 1997-xx-xx 417 1.7 itojun FreeBSD 2.1.7 1997-02-20 [FBD] 418 1.7 itojun BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 419 1.7 itojun FreeBSD 2.2.0 1997-03-16 [FBD] 420 1.7 itojun FreeBSD 2.2.1 1997-03-25 [FBD] 421 1.7 itojun FreeBSD 2.2.2 1997-05-16 [FBD] 422 1.6 itojun NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 423 1.1 abs OpenBSD 2.1 1997-06-01 [OBD] 424 1.7 itojun FreeBSD 2.2.5 1997-10-22 [FBD] 425 1.1 abs OpenBSD 2.2 1997-12-01 [OBD] 426 1.5 abs NetBSD 1.3 1998-01-04 [NBD] 427 1.7 itojun FreeBSD 2.2.6 1998-03-25 [FBD] 428 1.6 itojun NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 429 1.7 itojun BSD/OS 3.1 1998-03-xx [BSDI] 430 1.1 abs OpenBSD 2.3 1998-05-19 [OBD] 431 1.6 itojun NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 432 1.7 itojun FreeBSD 2.2.7 1998-07-22 [FBD] 433 1.7 itojun BSD/OS 4.0 1998-08-xx [BSDI] 434 1.7 itojun 2-lock MP support, ELF executables 435 1.6 itojun FreeBSD 3.0 1998-10-16 [FBD] 436 1.7 itojun FreeBSD-3.0 is a snapshot from -current, 437 1.7 itojun while 3.1 and 3.2 are from 3.x-stable which 438 1.6 itojun was branched quite some time after 3.0-release 439 1.1 abs FreeBSD 2.2.8 1998-11-29 [FBD] 440 1.1 abs OpenBSD 2.4 1998-12-01 [OBD] 441 1.6 itojun NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 442 1.6 itojun FreeBSD 3.1 1999-02-15 [FBD] 443 1.7 itojun BSD/OS 4.0.1 1999-03-xx [BSDI] 444 1.4 abs NetBSD 1.4 1999-05-12 [NBD] 445 1.6 itojun FreeBSD 3.2 1999-05-17 [FBD] 446 1.4 abs OpenBSD 2.5 1999-05-19 [OBD] 447 1.6 itojun NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 448 1.6 itojun FreeBSD 3.3 1999-09-17 [FBD] 449 1.6 itojun OpenBSD 2.6 1999-12-01 [OBD] 450 1.6 itojun FreeBSD 3.4 1999-12-20 [FBD] 451 1.7 itojun BSD/OS 4.1 1999-12-xx [BSDI] 452 1.6 itojun FreeBSD 4.0 2000-03-13 [FBD] 453 1.6 itojun NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 454 1.6 itojun OpenBSD 2.7 2000-06-15 [OBD] 455 1.6 itojun FreeBSD 3.5 2000-06-24 [FBD] 456 1.6 itojun FreeBSD 4.1 2000-07-27 [FBD] 457 1.6 itojun FreeBSD 3.5.1 2000-07-28 [FBD] 458 1.6 itojun FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 459 1.7 itojun FreeBSD 4.2 2000-11-21 [FBD] 460 1.7 itojun NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 461 1.7 itojun BSD/OS 4.2 2000-11-29 [BSDI] 462 1.7 itojun OpenBSD 2.8 2000-12-01 [OBD] 463 1.7 itojun NetBSD 1.5 2000-12-06 [NBD] 464 1.11 itojun Mac OS X 10.0 2001-03-24 [APL] 465 1.8 itojun FreeBSD 4.3 2001-04-20 [FBD] 466 1.8 itojun OpenBSD 2.9 2001-06-01 [OBD] 467 1.11 itojun NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 468 1.11 itojun NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 469 1.11 itojun FreeBSD 4.4 2001-09-18 [FBD] 470 1.17 junyoung Mac OS X 10.1 2001-09-29 [APL] 471 1.13 junyoung OpenBSD 3.0 2001-12-01 [OBD] 472 1.13 junyoung FreeBSD 4.5 2002-01-29 [FBD] 473 1.17 junyoung BSD/OS 4.3 2002-03-14 [WRS] 474 1.17 junyoung OpenBSD 3.1 2002-05-19 [OBD] 475 1.17 junyoung FreeBSD 4.6 2002-06-15 [FBD] 476 1.14 junyoung NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 477 1.17 junyoung FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 478 1.17 junyoung Mac OS X 10.2 2002-08-23 [APL] 479 1.17 junyoung NetBSD 1.6 2002-09-14 [NBD] 480 1.17 junyoung FreeBSD 4.7 2002-10-08 [FBD] 481 1.19 wiz OpenBSD 3.2 2002-11-01 [OBD] 482 1.20 itojun FreeBSD 5.0 2003-01-17 [FBD] 483 1.20 itojun FreeBSD 5.0 is a separate branch off of 484 1.20 itojun -current, similar to 3.0. 485 1.20 itojun FreeBSD 4.8 2003-04-03 [FBD] 486 1.20 itojun NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 487 1.20 itojun OpenBSD 3.3 2003-05-01 [OBD] 488 1.21 cjep BSD/OS 5.0 2003-05-?? [WRS] 489 1.21 cjep FreeBSD 5.1 2003-06-09 [FBD] 490 1.23 peter Mac OS X 10.3 2003-10-24 [APL] 491 1.23 peter FreeBSD 4.9 2003-10-28 [FBD] 492 1.23 peter BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 493 1.23 peter OpenBSD 3.4 2003-11-01 [OBD] 494 1.23 peter FreeBSD 5.2 2004-01-12 [FBD] 495 1.23 peter FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 496 1.23 peter NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 497 1.23 peter OpenBSD 3.5 2004-04-01 [OBD] 498 1.23 peter FreeBSD 4.10 2004-05-27 [FBD] 499 1.24 soda DragonFly 1.0 2004-07-12 [DFB] 500 1.23 peter OpenBSD 3.6 2004-10-29 [OBD] 501 1.23 peter FreeBSD 5.3 2004-11-06 [FBD] 502 1.23 peter NetBSD 2.0 2004-12-09 [NBD] 503 1.23 peter FreeBSD 4.11 2005-01-25 [FBD] 504 1.24 soda DragonFly 1.2.0 2005-04-08 [DFB] 505 1.26 soda NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 506 1.24 soda Mac OS X 10.4 2005-04-29 [APL] 507 1.24 soda FreeBSD 5.4 2005-05-09 [FBD] 508 1.24 soda OpenBSD 3.7 2005-05-19 [OBD] 509 1.28 rpaulo NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 510 1.27 rpaulo OpenBSD 3.8 2005-11-01 [OBD] 511 1.29 rpaulo FreeBSD 6.0 2005-11-01 [FBD] 512 1.28 rpaulo NetBSD 2.1 2005-11-02 [NBD] 513 1.30 rpaulo NetBSD 3.0 2005-12-23 [NBD] 514 1.30 rpaulo DragonFly 1.4.0 2006-01-08 [DFB] 515 1.34 rpaulo OpenBSD 3.9 2006-05-01 [OBD] 516 1.35 rpaulo FreeBSD 6.1 2006-05-08 [FBD] 517 1.35 rpaulo FreeBSD 5.5 2006-05-25 [FBD] 518 1.36 rpaulo NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 519 1.37 rpaulo DragonFly 1.6.0 2006-07-24 [DFB] 520 1.38 rpaulo OpenBSD 4.0 2006-11-01 [OBD] 521 1.38 rpaulo NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 522 1.38 rpaulo NetBSD 3.1 2006-11-04 [NBD] 523 1.39 rpaulo FreeBSD 6.2 2007-01-15 [FBD] 524 1.39 rpaulo DragonFly 1.8.0 2007-01-30 [DFB] 525 1.40 xtraeme OpenBSD 4.1 2007-05-01 [OBD] 526 1.40 xtraeme DragonFly 1.10.0 2007-08-06 [DFB] 527 1.42 hubertf Mac OS X 10.5 2007-10-26 [APL] 528 1.40 xtraeme OpenBSD 4.2 2007-11-01 [OBD] 529 1.42 hubertf NetBSD 4.0 2007-12-19 [NBD] 530 1.42 hubertf FreeBSD 6.3 2008-01-18 [FBD] 531 1.42 hubertf DragonFly 1.12.0 2008-02-26 [DFB] 532 1.42 hubertf FreeBSD 7.0 2008-02-27 [FBD] 533 1.42 hubertf OpenBSD 4.3 2008-05-01 [OBD] 534 1.42 hubertf DragonFly 2.0.0 2008-07-21 [DFB] 535 1.42 hubertf OpenBSD 4.4 2008-11-01 [OBD] 536 1.42 hubertf FreeBSD 6.4 2008-11-28 [FBD] 537 1.42 hubertf FreeBSD 7.1 2009-01-04 [FBD] 538 1.43 hubertf DragonFly 2.2.0 2009-02-17 [DFB] 539 1.43 hubertf NetBSD 5.0 2009-04-29 [NBD] 540 1.43 hubertf OpenBSD 4.5 2009-05-01 [OBD] 541 1.43 hubertf FreeBSD 7.2 2009-05-04 [FBD] 542 1.43 hubertf Mac OS X 10.6 2009-06-08 [APL] 543 1.47 riz NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 544 1.43 hubertf DragonFly 2.4.0 2009-09-16 [DFB] 545 1.43 hubertf OpenBSD 4.6 2009-10-18 [OBD] 546 1.43 hubertf FreeBSD 8.0 2009-11-26 [FBD] 547 1.47 riz NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 548 1.43 hubertf FreeBSD 7.3 2010-03-23 [FBD] 549 1.43 hubertf DragonFly 2.6.0 2010-03-28 [DFB] 550 1.43 hubertf OpenBSD 4.7 2010-05-19 [OBD] 551 1.43 hubertf FreeBSD 8.1 2010-07-24 [FBD] 552 1.43 hubertf DragonFly 2.8.2 2010-10-30 [DFB] 553 1.43 hubertf OpenBSD 4.8 2010-11-01 [OBD] 554 1.43 hubertf NetBSD 5.1 2010-11-19 [NBD] 555 1.43 hubertf FreeBSD 7.4 2011-02-24 [FBD] 556 1.43 hubertf FreeBSD 8.2 2011-02-24 [FBD] 557 1.43 hubertf DragonFly 2.10.1 2011-04-26 [DFB] 558 1.43 hubertf OpenBSD 4.9 2011-05-01 [OBD] 559 1.43 hubertf Mac OS X 10.7 2011-07-20 [APL] 560 1.43 hubertf OpenBSD 5.0 2011-11-01 [OBD] 561 1.43 hubertf FreeBSD 9.0 2012-01-12 [FBD] 562 1.47 riz NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 563 1.44 ryoon DragonFly 3.0.1 2012-02-21 [DFB] 564 1.45 jnemeth FreeBSD 8.3 2012-04-18 [FBD] 565 1.45 jnemeth OpenBSD 5.1 2012-05-01 [OBD] 566 1.45 jnemeth Mac OS X 10.8 2012-07-25 [APL] 567 1.45 jnemeth NetBSD 6.0 2012-10-17 [NBD] 568 1.48 apb OpenBSD 5.2 2012-11-01 [OBD] 569 1.48 apb DragonFly 3.2.1 2012-11-02 [DFB] 570 1.49 riz NetBSD 5.2 2012-12-03 [NBD] 571 1.49 riz NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 572 1.48 apb FreeBSD 9.1 2012-12-30 [FBD] 573 1.48 apb DragonFly 3.4.1 2013-04-29 [DFB] 574 1.48 apb OpenBSD 5.3 2013-05-01 [OBD] 575 1.49 riz NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 576 1.49 riz NetBSD 6.1 2013-05-18 [NBD] 577 1.1 abs 578 1.1 abs Bibliography 579 1.1 abs ------------------------ 580 1.1 abs 581 1.1 abs Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 582 1.1 abs Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 583 1.1 abs System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 584 1.1 abs 585 1.1 abs Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 586 1.1 abs Company, Inc., 1994. ISBN 0-201-54777-5 587 1.1 abs 588 1.1 abs McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 589 1.1 abs Quarterman. The Design and Implementation of the 4.4BSD Operating 590 1.1 abs System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 591 1.1 abs 592 1.23 peter McKusick, Marshall Kirk, George Neville-Neil. The Design and 593 1.23 peter Implementation of the FreeBSD Operating System. 594 1.23 peter Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 595 1.23 peter 596 1.1 abs Doug McIlroy. Research Unix Reader. 597 1.1 abs 598 1.1 abs Michael G. Brown. The Role of BSD in the Development of Unix. 599 1.1 abs Presented to the Tasmanian Unix Special Interest Group of the 600 1.1 abs Australian Computer Society, Hobart, August 1993. 601 1.1 abs 602 1.6 itojun Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 603 1.24 soda URL: http://www.byte.com/art/9410/sec8/art3.htm 604 1.1 abs 605 1.43 hubertf Andreas Klemm, Lars Kller. If you're going to San Francisco ... 606 1.1 abs Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 607 1.1 abs 608 1.1 abs BSD Release Announcements collection. 609 1.43 hubertf URL: http://www.FreeBSD.org/releases/ 610 1.1 abs 611 1.1 abs BSD Hypertext Man Pages 612 1.9 itojun URL: http://www.FreeBSD.org/cgi/man.cgi 613 1.6 itojun 614 1.6 itojun UNIX history graphing project 615 1.9 itojun URL: http://minnie.tuhs.org/Unix_History/index.html 616 1.6 itojun 617 1.6 itojun UNIX history 618 1.17 junyoung URL: http://www.levenez.com/unix/ 619 1.1 abs 620 1.8 itojun James Howard: The BSD Family Tree 621 1.32 rpaulo URL: http://ezine.daemonnews.org/200104/bsd_family.html 622 1.8 itojun ("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 623 1.8 itojun 624 1.8 itojun 625 1.1 abs Acknowledgments 626 1.1 abs --------------- 627 1.1 abs 628 1.6 itojun Josh Gilliam for suggestions, bug fixes, and finding very old 629 1.1 abs original BSD announcements from Usenet or tapes. 630 1.1 abs 631 1.1 abs Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 632 1.1 abs 633 1.1 abs -- 634 1.43 hubertf Copyright (c) 1997-2012 Wolfram Schneider <wosch (a] FreeBSD.ORG> 635 1.22 itojun URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree 636 1.1 abs 637 1.45 jnemeth $FreeBSD$ 638
Indexes created Thu Mar 26 00:23:24 UTC 2026