Cross Reference: /freebsd-9.3-release/share/misc/bsd-family-tree

bsd-family-tree (152004)	bsd-family-tree (153699)
1The UNIX system family tree: Research and BSD 2--------------------------------------------- 3 4First Edition (V1) 5 \| 6Second Edition (V2) 7 \| 8Third Edition (V3) 9 \| 10Fourth Edition (V4) 11 \| 12Fifth Edition (V5) 13 \| 14Sixth Edition (V6) -----* 15 \ \| 16 \ \| 17 \ \| 18Seventh 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 4.1aBSD -----------\ \| 33 \| \ \| 34 4.1bBSD \ \| 35 \| \ \| 36 ------ 4.1cBSD --------------> 2.9BSD 37 / \| \| 38Eighth Edition \| 2.9BSD-Seismo 39 \| \| \| 40 +----<--- 4.2BSD 2.9.1BSD 41 \| \| \| 42 +----<--- 4.3BSD -------------> 2.10BSD 43 \| \| / \| 44Ninth Edition \| / 2.10.1BSD 45 \| 4.3BSD Tahoe-----+ \| 46 \| \| \ \| 47 \| \| \ \| 48 v \| 2.11BSD 49Tenth Edition \| \| 50 \| 2.11BSD rev #430 51 4.3BSD NET/1 \| 52 \| v 53 4.3BSD Reno 54 \| 55 ---------- 4.3BSD NET/2 -------------------+-------------* 56 \| \| \| \| 57386BSD 0.0 \| \| BSD/386 ALPHA 58 \| \| \| \| 59386BSD 0.1 ------------>+ \| BSD/386 0.3.[13] 60 \| \ \| 4.4BSD Alpha \| 61 \| 386BSD 1.0 \| \| BSD/386 0.9.[34] 62 \| \| 4.4BSD \| 63 \| \| / \| \| 64 \| \| 4.4BSD-Encumbered \| \| 65 \| NetBSD 0.8 \| BSD/386 1.0 66 \| \| \| \| 67FreeBSD 1.0 NetBSD 0.9 \| BSD/386 1.1 68 \| \| .----- 4.4BSD Lite \| 69FreeBSD 1.1 \| / / \| \ \| 70 \| \| / / \| \ \| 71FreeBSD 1.1.5 .---\|--------' / \| \ \| 72 \| / \| / \| \ \| 73FreeBSD 1.1.5.1 / \| / \| \ \| 74 \| / NetBSD 1.0 <-' \| \ \| 75 \| / \| \| \ \| 76FreeBSD 2.0 <--' \| \| BSD/OS 2.0 77 \| \ \| \| 78FreeBSD 2.0.5 \ \| BSD/OS 2.0.1 79 \| .-----\------------- 4.4BSD Lite2 \| 80 \| \| \ \| \| \| \| \| 81 \| \| .-----\|------Rhapsody \| \| \| \| 82 \| \| \| \| NetBSD 1.3 \| \| \| 83 \| \| \| \| OpenBSD 2.3 \| \| 84 \| \| \| \| BSD/OS 3.0 \| 85FreeBSD 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 \| 116FreeBSD 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 128FreeBSD 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 \| \| / \| \| \| \| 138 \| \| \| \| / \| \| \| \| 139 \| FreeBSD 4.2 Darwin/ \| NetBSD 1.4.3 \| \| 140 \| \| Mac OS X \| OpenBSD 2.8 BSD/OS 4.2 141 \| \| \| \| \| \| 142 \| \| \| \| \| \| 143 \| \| 10.0 NetBSD 1.5 \| \| 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 \| 154 \| \| \ \| \| NetBSD 1.5.3 \| \| 155 \| FreeBSD 4.6.2 Mac OS X \| \| \| 156 \| \| 10.2 \| \| \| 157 \| FreeBSD 4.7 \| \| \| \| 158 \| \| \| NetBSD 1.6 OpenBSD 3.2 \| 159 \| FreeBSD 4.8 \| \| \| \| \| 160 \| \| \| \| NetBSD 1.6.1 \| \| 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 \| \| \| \| \ 175FreeBSD 5.0 \| \| \| \| 176 \| \| \| \| \| 177FreeBSD 5.1 \| \| \| DragonFly 1.0 178 \| \ \| \| \| \| 179 \| ----- Mac OS X \| \| \| 180 \| 10.3 \| \| \| 181FreeBSD 5.2 \| \| \| \| 182 \| \| \| \| \| \| 183 \| FreeBSD 5.2.1 \| \| \| \| 184 \| \| \| \| \| 185 ---FreeBSD 5.3 \| \| \| \| 186* \| \| \| \| OpenBSD 3.6 \| 187 \| \| \| NetBSD 2.0 \| \| 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 \| \| \| NetBSD 2.0.3 \| \| 193 \| \| \| \| \| \| \| 194 ---FreeBSD 6.0 \| \| \| v OpenBSD 3.8 \| 195* \| \| \| \| \| \| \| 196 \| V \| \| \ \| \| 197 \| \| \| NetBSD 2.1 \| \| 198 \| \| \| \| \|	1The UNIX system family tree: Research and BSD 2--------------------------------------------- 3 4First Edition (V1) 5 \| 6Second Edition (V2) 7 \| 8Third Edition (V3) 9 \| 10Fourth Edition (V4) 11 \| 12Fifth Edition (V5) 13 \| 14Sixth Edition (V6) -----* 15 \ \| 16 \ \| 17 \ \| 18Seventh 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 4.1aBSD -----------\ \| 33 \| \ \| 34 4.1bBSD \ \| 35 \| \ \| 36 ------ 4.1cBSD --------------> 2.9BSD 37 / \| \| 38Eighth Edition \| 2.9BSD-Seismo 39 \| \| \| 40 +----<--- 4.2BSD 2.9.1BSD 41 \| \| \| 42 +----<--- 4.3BSD -------------> 2.10BSD 43 \| \| / \| 44Ninth Edition \| / 2.10.1BSD 45 \| 4.3BSD Tahoe-----+ \| 46 \| \| \ \| 47 \| \| \ \| 48 v \| 2.11BSD 49Tenth Edition \| \| 50 \| 2.11BSD rev #430 51 4.3BSD NET/1 \| 52 \| v 53 4.3BSD Reno 54 \| 55 ---------- 4.3BSD NET/2 -------------------+-------------* 56 \| \| \| \| 57386BSD 0.0 \| \| BSD/386 ALPHA 58 \| \| \| \| 59386BSD 0.1 ------------>+ \| BSD/386 0.3.[13] 60 \| \ \| 4.4BSD Alpha \| 61 \| 386BSD 1.0 \| \| BSD/386 0.9.[34] 62 \| \| 4.4BSD \| 63 \| \| / \| \| 64 \| \| 4.4BSD-Encumbered \| \| 65 \| NetBSD 0.8 \| BSD/386 1.0 66 \| \| \| \| 67FreeBSD 1.0 NetBSD 0.9 \| BSD/386 1.1 68 \| \| .----- 4.4BSD Lite \| 69FreeBSD 1.1 \| / / \| \ \| 70 \| \| / / \| \ \| 71FreeBSD 1.1.5 .---\|--------' / \| \ \| 72 \| / \| / \| \ \| 73FreeBSD 1.1.5.1 / \| / \| \ \| 74 \| / NetBSD 1.0 <-' \| \ \| 75 \| / \| \| \ \| 76FreeBSD 2.0 <--' \| \| BSD/OS 2.0 77 \| \ \| \| 78FreeBSD 2.0.5 \ \| BSD/OS 2.0.1 79 \| .-----\------------- 4.4BSD Lite2 \| 80 \| \| \ \| \| \| \| \| 81 \| \| .-----\|------Rhapsody \| \| \| \| 82 \| \| \| \| NetBSD 1.3 \| \| \| 83 \| \| \| \| OpenBSD 2.3 \| \| 84 \| \| \| \| BSD/OS 3.0 \| 85FreeBSD 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 \| 116FreeBSD 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 128FreeBSD 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 \| \| / \| \| \| \| 138 \| \| \| \| / \| \| \| \| 139 \| FreeBSD 4.2 Darwin/ \| NetBSD 1.4.3 \| \| 140 \| \| Mac OS X \| OpenBSD 2.8 BSD/OS 4.2 141 \| \| \| \| \| \| 142 \| \| \| \| \| \| 143 \| \| 10.0 NetBSD 1.5 \| \| 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 \| 154 \| \| \ \| \| NetBSD 1.5.3 \| \| 155 \| FreeBSD 4.6.2 Mac OS X \| \| \| 156 \| \| 10.2 \| \| \| 157 \| FreeBSD 4.7 \| \| \| \| 158 \| \| \| NetBSD 1.6 OpenBSD 3.2 \| 159 \| FreeBSD 4.8 \| \| \| \| \| 160 \| \| \| \| NetBSD 1.6.1 \| \| 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 \| \| \| \| \ 175FreeBSD 5.0 \| \| \| \| 176 \| \| \| \| \| 177FreeBSD 5.1 \| \| \| DragonFly 1.0 178 \| \ \| \| \| \| 179 \| ----- Mac OS X \| \| \| 180 \| 10.3 \| \| \| 181FreeBSD 5.2 \| \| \| \| 182 \| \| \| \| \| \| 183 \| FreeBSD 5.2.1 \| \| \| \| 184 \| \| \| \| \| 185 ---FreeBSD 5.3 \| \| \| \| 186* \| \| \| \| OpenBSD 3.6 \| 187 \| \| \| NetBSD 2.0 \| \| 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 \| \| \| NetBSD 2.0.3 \| \| 193 \| \| \| \| \| \| \| 194 ---FreeBSD 6.0 \| \| \| v OpenBSD 3.8 \| 195* \| \| \| \| \| \| \| 196 \| V \| \| \ \| \| 197 \| \| \| NetBSD 2.1 \| \| 198 \| \| \| \| \|
	199 \| \| NetBSD 3.0 \| \| 200 \| \| \| \| \|
199FreeBSD 7 -current \| NetBSD -current OpenBSD -current \| 200 \| \| \| \| \| 201 v v v v v 202 203Time 204---------------- 205 206Time tolerance +/- 6 months, depending on which book/article you read; if it 207was the announcement in Usenet or if it was available as tape. 208 209[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 210 and John Quarterman. The Design and Implementation of 211 the 4.4BSD Operating System. 212[APL] Apple website [http://www.apple.com/macosx/] 213[BSDI] Berkeley Software Design, Inc. 214[DFB] DragonFlyBSD Project, The. 215[DOC] README, COPYRIGHT on tape. 216[FBD] FreeBSD Project, The. 217[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 218 Volume 11, Info 4, April, 1987. 219[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 220 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 221[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 222 Changes in the Kernel in 2.9BSD. Second Berkeley Software 223 Distribution UNIX Version 2.9, July, 1983. 224[NBD] NetBSD Project, The. 225[OBD] OpenBSD Project, The. 226[QCU] Salus, Peter H. A quarter century of UNIX. 227[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 228[USE] Usenet announcement. 229[WRS] Wind River Systems, Inc. 230[dmr] Dennis Ritchie, via E-Mail 231 232Multics 1965 233UNIX Summer 1969 234 DEC PDP-7 235First Edition 1971-11-03 [QCU] 236 DEC PDP-11/20, Assembler 237Second Edition 1972-06-12 [QCU] 238 10 UNIX installations 239Third Edition 1973-02-xx [QCU] 240 Pipes, 16 installations 241Fourth Edition 1973-11-xx [QCU] 242 rewriting in C effected, 243 above 30 installations 244Fifth Edition 1974-06-xx [QCU] 245 above 50 installations 246Sixth Edition 1975-05-xx [QCU] 247 port to DEC Vax 248Seventh Edition 1979-01-xx [QCU] 249 first portable UNIX 250Eighth Edition 1985-02-xx [QCU] 251 VAX 11/750, VAX 11/780 [dmr] 252 descended from 4.1c BSD [dmr] 253 descended from 4.1 BSD [44B] 254 scooping-out and replacement of the character-device 255 and networking part by the streams mechanism 256 257Ninth Edition 1986-09-xx [QCU] 258Tenth Edition 1989-10-xx [QCU] 259 2601BSD late 1977 261 1978-03-09 [QCU] 262 PDP-11, Pascal, ex(1) 263 30 free copies of 1BSD sent out 264 35 tapes sold for 50 USD [QCU] 2652BSD mid 1978 [QCU] 266 75 2BSD tapes shipped 2672.7.9BSD ?? [SMS] 2682.8BSD 1981-07-xx [KSJ] 269 2702.8.1BSD 1982-01-xx [QCU] 271 set of performance improvements 2722.9BSD 1983-07-xx [KSJ] 2732.9.1BSD 1983-11-xx 2742.9BSD-Seismo 1985-08-xx [SMS] 2752.10BSD 1987-04-xx [KKK] 2762.10.1BSD 1989-01-xx [SMS] 2772.11BSD 1992-02-xx [SMS] 2782.11BSD rev #430 1999-12-13 [SMS] 279 28032V 1978-1[01]-xx [QCU] 2813BSD late 1979 [QCU] 282 virtual memory, page replacement, 283 demand paging 2844.0BSD 1980-10-xx 2854.1BSD 1981-07-08 [DOC] 2864.1aBSD 1982-04-xx 287 alpha release, 100 sites, networking [44B] 2884.1bBSD internal release, fast filesystem [44B] 2894.1cBSD late 1982 290 beta release, IPC [44B] 2914.2BSD 1983-09-xx [QCU] 292 1983-08-03 [DOC] 2934.3BSD 1986-06-xx [QCU] 294 1986-04-05 [KB], [DOC] 2954.3BSD Tahoe 1988-06-15 [QCU], [DOC] 2964.3BSD NET/1 1988-11-xx [QCU] 297 1989-01-01 [DOC] 2984.3BSD Reno 1990-06-29 [QCU], [DOC] 2994.3BSD NET/2 1991-06-28 [QCU], [DOC] 300 301BSD/386 ALPHA 1991-12-xx [BSDI] 302 first code released to people outside BSDI 303386BSD 0.0 1992-02-xx [DOC] 304BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 305BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 306386BSD 0.1 1992-07-28 [DOC] 3074.4BSD Alpha 1992-07-07 308BSD/386 0.9.3 1992-10-xx [BSDI] 309 first external gamma; G customers 310BSD/386 0.9.4 1992-12-xx [BSDI] 311 would have been 1.0 except for request 312 for preliminary injunction 313BSD/386 1.0 1993-03-xx [BSDI] 314 injunction denied; first official release 315NetBSD 0.8 1993-04-20 [NBD] 3164.4BSD 1993-06-01 [USE] 317NetBSD 0.9 1993-08-23 [NBD] 318FreeBSD 1.0 1993-11-01 [FBD] 319BSD/386 1.1 1994-02-xx [BSDI] 3204.4BSD Lite 1994-03-01 [USE] 321FreeBSD 1.1 1994-05-07 [FBD] 322FreeBSD 1.1.5 1994-06-30 [FBD] 323FreeBSD 1.1.5.1 1994-07-05 [FBD] 324 supersedes 1.1.5 5 days after release. 325NetBSD 1.0 1994-10-26 [NBD] 326386BSD 1.0 1994-11-12 [USE] 327FreeBSD 2.0 1994-11-23 [FBD] 328BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 329FreeBSD 2.0.5 1995-06-10 [FBD] 330BSD/OS 2.0.1 1995-06-xx [BSDI] 3314.4BSD Lite Release 2 1995-06-xx [44B] 332 the true final distribution from the CSRG 333FreeBSD 2.1.0 1995-11-19 [FBD] 334NetBSD 1.1 1995-11-26 [NBD] 335BSD/OS 2.1 1996-01-xx [BSDI] 336FreeBSD 2.1.5 1996-07-14 [FBD] 337NetBSD 1.2 1996-10-04 [NBD] 338OpenBSD 2.0 1996-10-18 [OBD] 339FreeBSD 2.1.6 1996-11-16 [FBD] 340FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 341Rhapsody 1997-xx-xx 342FreeBSD 2.1.7 1997-02-20 [FBD] 343BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 344FreeBSD 2.2.0 1997-03-16 [FBD] 345FreeBSD 2.2.1 1997-03-25 [FBD] 346FreeBSD 2.2.2 1997-05-16 [FBD] 347NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 348OpenBSD 2.1 1997-06-01 [OBD] 349FreeBSD 2.2.5 1997-10-22 [FBD] 350OpenBSD 2.2 1997-12-01 [OBD] 351NetBSD 1.3 1998-01-04 [NBD] 352FreeBSD 2.2.6 1998-03-25 [FBD] 353NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 354BSD/OS 3.1 1998-03-xx [BSDI] 355OpenBSD 2.3 1998-05-19 [OBD] 356NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 357FreeBSD 2.2.7 1998-07-22 [FBD] 358BSD/OS 4.0 1998-08-xx [BSDI] 359 2-lock MP support, ELF executables 360FreeBSD 3.0 1998-10-16 [FBD] 361 FreeBSD-3.0 is a snapshot from -current, 362 while 3.1 and 3.2 are from 3.x-stable which 363 was branched quite some time after 3.0-release 364FreeBSD 2.2.8 1998-11-29 [FBD] 365OpenBSD 2.4 1998-12-01 [OBD] 366NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 367FreeBSD 3.1 1999-02-15 [FBD] 368BSD/OS 4.0.1 1999-03-xx [BSDI] 369NetBSD 1.4 1999-05-12 [NBD] 370FreeBSD 3.2 1999-05-17 [FBD] 371OpenBSD 2.5 1999-05-19 [OBD] 372NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 373FreeBSD 3.3 1999-09-17 [FBD] 374OpenBSD 2.6 1999-12-01 [OBD] 375FreeBSD 3.4 1999-12-20 [FBD] 376BSD/OS 4.1 1999-12-xx [BSDI] 377FreeBSD 4.0 2000-03-13 [FBD] 378NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 379OpenBSD 2.7 2000-06-15 [OBD] 380FreeBSD 3.5 2000-06-24 [FBD] 381FreeBSD 4.1 2000-07-27 [FBD] 382FreeBSD 3.5.1 2000-07-28 [FBD] 383FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 384FreeBSD 4.2 2000-11-21 [FBD] 385NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 386BSD/OS 4.2 2000-11-29 [BSDI] 387OpenBSD 2.8 2000-12-01 [OBD] 388NetBSD 1.5 2000-12-06 [NBD] 389Mac OS X 10.0 2001-03-24 [APL] 390FreeBSD 4.3 2001-04-20 [FBD] 391OpenBSD 2.9 2001-06-01 [OBD] 392NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 393NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 394FreeBSD 4.4 2001-09-18 [FBD] 395Mac OS X 10.1 2001-09-29 [APL] 396OpenBSD 3.0 2001-12-01 [OBD] 397FreeBSD 4.5 2002-01-29 [FBD] 398BSD/OS 4.3 2002-03-14 [WRS] 399OpenBSD 3.1 2002-05-19 [OBD] 400FreeBSD 4.6 2002-06-15 [FBD] 401NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 402FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 403Mac OS X 10.2 2002-08-23 [APL] 404NetBSD 1.6 2002-09-14 [NBD] 405FreeBSD 4.7 2002-10-08 [FBD] 406OpenBSD 3.2 2002-11-01 [OBD] 407FreeBSD 5.0 2003-01-17 [FBD] 408 FreeBSD 5.0 is a separate branch off of 409 -current, similar to 3.0. 410FreeBSD 4.8 2003-04-03 [FBD] 411NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 412OpenBSD 3.3 2003-05-01 [OBD] 413BSD/OS 5.0 2003-05-?? [WRS] 414FreeBSD 5.1 2003-06-09 [FBD] 415Mac OS X 10.3 2003-10-24 [APL] 416FreeBSD 4.9 2003-10-28 [FBD] 417BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 418OpenBSD 3.4 2003-11-01 [OBD] 419FreeBSD 5.2 2004-01-12 [FBD] 420FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 421NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 422OpenBSD 3.5 2004-04-01 [OBD] 423FreeBSD 4.10 2004-05-27 [FBD] 424DragonFly 1.0 2004-07-12 [DFB] 425OpenBSD 3.6 2004-10-29 [OBD] 426FreeBSD 5.3 2004-11-06 [FBD] 427NetBSD 2.0 2004-12-09 [NBD] 428FreeBSD 4.11 2005-01-25 [FBD] 429DragonFly 1.2.0 2005-04-08 [DFB] 430NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 431Mac OS X 10.4 2005-04-29 [APL] 432FreeBSD 5.4 2005-05-09 [FBD] 433OpenBSD 3.7 2005-05-19 [OBD] 434NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 435OpenBSD 3.8 2005-11-01 [OBD] 436FreeBSD 6.0 2005-11-01 [FBD] 437NetBSD 2.1 2005-11-02 [NBD]	201FreeBSD 7 -current \| NetBSD -current OpenBSD -current \| 202 \| \| \| \| \| 203 v v v v v 204 205Time 206---------------- 207 208Time tolerance +/- 6 months, depending on which book/article you read; if it 209was the announcement in Usenet or if it was available as tape. 210 211[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 212 and John Quarterman. The Design and Implementation of 213 the 4.4BSD Operating System. 214[APL] Apple website [http://www.apple.com/macosx/] 215[BSDI] Berkeley Software Design, Inc. 216[DFB] DragonFlyBSD Project, The. 217[DOC] README, COPYRIGHT on tape. 218[FBD] FreeBSD Project, The. 219[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 220 Volume 11, Info 4, April, 1987. 221[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 222 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 223[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 224 Changes in the Kernel in 2.9BSD. Second Berkeley Software 225 Distribution UNIX Version 2.9, July, 1983. 226[NBD] NetBSD Project, The. 227[OBD] OpenBSD Project, The. 228[QCU] Salus, Peter H. A quarter century of UNIX. 229[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 230[USE] Usenet announcement. 231[WRS] Wind River Systems, Inc. 232[dmr] Dennis Ritchie, via E-Mail 233 234Multics 1965 235UNIX Summer 1969 236 DEC PDP-7 237First Edition 1971-11-03 [QCU] 238 DEC PDP-11/20, Assembler 239Second Edition 1972-06-12 [QCU] 240 10 UNIX installations 241Third Edition 1973-02-xx [QCU] 242 Pipes, 16 installations 243Fourth Edition 1973-11-xx [QCU] 244 rewriting in C effected, 245 above 30 installations 246Fifth Edition 1974-06-xx [QCU] 247 above 50 installations 248Sixth Edition 1975-05-xx [QCU] 249 port to DEC Vax 250Seventh Edition 1979-01-xx [QCU] 251 first portable UNIX 252Eighth Edition 1985-02-xx [QCU] 253 VAX 11/750, VAX 11/780 [dmr] 254 descended from 4.1c BSD [dmr] 255 descended from 4.1 BSD [44B] 256 scooping-out and replacement of the character-device 257 and networking part by the streams mechanism 258 259Ninth Edition 1986-09-xx [QCU] 260Tenth Edition 1989-10-xx [QCU] 261 2621BSD late 1977 263 1978-03-09 [QCU] 264 PDP-11, Pascal, ex(1) 265 30 free copies of 1BSD sent out 266 35 tapes sold for 50 USD [QCU] 2672BSD mid 1978 [QCU] 268 75 2BSD tapes shipped 2692.7.9BSD ?? [SMS] 2702.8BSD 1981-07-xx [KSJ] 271 2722.8.1BSD 1982-01-xx [QCU] 273 set of performance improvements 2742.9BSD 1983-07-xx [KSJ] 2752.9.1BSD 1983-11-xx 2762.9BSD-Seismo 1985-08-xx [SMS] 2772.10BSD 1987-04-xx [KKK] 2782.10.1BSD 1989-01-xx [SMS] 2792.11BSD 1992-02-xx [SMS] 2802.11BSD rev #430 1999-12-13 [SMS] 281 28232V 1978-1[01]-xx [QCU] 2833BSD late 1979 [QCU] 284 virtual memory, page replacement, 285 demand paging 2864.0BSD 1980-10-xx 2874.1BSD 1981-07-08 [DOC] 2884.1aBSD 1982-04-xx 289 alpha release, 100 sites, networking [44B] 2904.1bBSD internal release, fast filesystem [44B] 2914.1cBSD late 1982 292 beta release, IPC [44B] 2934.2BSD 1983-09-xx [QCU] 294 1983-08-03 [DOC] 2954.3BSD 1986-06-xx [QCU] 296 1986-04-05 [KB], [DOC] 2974.3BSD Tahoe 1988-06-15 [QCU], [DOC] 2984.3BSD NET/1 1988-11-xx [QCU] 299 1989-01-01 [DOC] 3004.3BSD Reno 1990-06-29 [QCU], [DOC] 3014.3BSD NET/2 1991-06-28 [QCU], [DOC] 302 303BSD/386 ALPHA 1991-12-xx [BSDI] 304 first code released to people outside BSDI 305386BSD 0.0 1992-02-xx [DOC] 306BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 307BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 308386BSD 0.1 1992-07-28 [DOC] 3094.4BSD Alpha 1992-07-07 310BSD/386 0.9.3 1992-10-xx [BSDI] 311 first external gamma; G customers 312BSD/386 0.9.4 1992-12-xx [BSDI] 313 would have been 1.0 except for request 314 for preliminary injunction 315BSD/386 1.0 1993-03-xx [BSDI] 316 injunction denied; first official release 317NetBSD 0.8 1993-04-20 [NBD] 3184.4BSD 1993-06-01 [USE] 319NetBSD 0.9 1993-08-23 [NBD] 320FreeBSD 1.0 1993-11-01 [FBD] 321BSD/386 1.1 1994-02-xx [BSDI] 3224.4BSD Lite 1994-03-01 [USE] 323FreeBSD 1.1 1994-05-07 [FBD] 324FreeBSD 1.1.5 1994-06-30 [FBD] 325FreeBSD 1.1.5.1 1994-07-05 [FBD] 326 supersedes 1.1.5 5 days after release. 327NetBSD 1.0 1994-10-26 [NBD] 328386BSD 1.0 1994-11-12 [USE] 329FreeBSD 2.0 1994-11-23 [FBD] 330BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 331FreeBSD 2.0.5 1995-06-10 [FBD] 332BSD/OS 2.0.1 1995-06-xx [BSDI] 3334.4BSD Lite Release 2 1995-06-xx [44B] 334 the true final distribution from the CSRG 335FreeBSD 2.1.0 1995-11-19 [FBD] 336NetBSD 1.1 1995-11-26 [NBD] 337BSD/OS 2.1 1996-01-xx [BSDI] 338FreeBSD 2.1.5 1996-07-14 [FBD] 339NetBSD 1.2 1996-10-04 [NBD] 340OpenBSD 2.0 1996-10-18 [OBD] 341FreeBSD 2.1.6 1996-11-16 [FBD] 342FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 343Rhapsody 1997-xx-xx 344FreeBSD 2.1.7 1997-02-20 [FBD] 345BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 346FreeBSD 2.2.0 1997-03-16 [FBD] 347FreeBSD 2.2.1 1997-03-25 [FBD] 348FreeBSD 2.2.2 1997-05-16 [FBD] 349NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 350OpenBSD 2.1 1997-06-01 [OBD] 351FreeBSD 2.2.5 1997-10-22 [FBD] 352OpenBSD 2.2 1997-12-01 [OBD] 353NetBSD 1.3 1998-01-04 [NBD] 354FreeBSD 2.2.6 1998-03-25 [FBD] 355NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 356BSD/OS 3.1 1998-03-xx [BSDI] 357OpenBSD 2.3 1998-05-19 [OBD] 358NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 359FreeBSD 2.2.7 1998-07-22 [FBD] 360BSD/OS 4.0 1998-08-xx [BSDI] 361 2-lock MP support, ELF executables 362FreeBSD 3.0 1998-10-16 [FBD] 363 FreeBSD-3.0 is a snapshot from -current, 364 while 3.1 and 3.2 are from 3.x-stable which 365 was branched quite some time after 3.0-release 366FreeBSD 2.2.8 1998-11-29 [FBD] 367OpenBSD 2.4 1998-12-01 [OBD] 368NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 369FreeBSD 3.1 1999-02-15 [FBD] 370BSD/OS 4.0.1 1999-03-xx [BSDI] 371NetBSD 1.4 1999-05-12 [NBD] 372FreeBSD 3.2 1999-05-17 [FBD] 373OpenBSD 2.5 1999-05-19 [OBD] 374NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 375FreeBSD 3.3 1999-09-17 [FBD] 376OpenBSD 2.6 1999-12-01 [OBD] 377FreeBSD 3.4 1999-12-20 [FBD] 378BSD/OS 4.1 1999-12-xx [BSDI] 379FreeBSD 4.0 2000-03-13 [FBD] 380NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 381OpenBSD 2.7 2000-06-15 [OBD] 382FreeBSD 3.5 2000-06-24 [FBD] 383FreeBSD 4.1 2000-07-27 [FBD] 384FreeBSD 3.5.1 2000-07-28 [FBD] 385FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 386FreeBSD 4.2 2000-11-21 [FBD] 387NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 388BSD/OS 4.2 2000-11-29 [BSDI] 389OpenBSD 2.8 2000-12-01 [OBD] 390NetBSD 1.5 2000-12-06 [NBD] 391Mac OS X 10.0 2001-03-24 [APL] 392FreeBSD 4.3 2001-04-20 [FBD] 393OpenBSD 2.9 2001-06-01 [OBD] 394NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 395NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 396FreeBSD 4.4 2001-09-18 [FBD] 397Mac OS X 10.1 2001-09-29 [APL] 398OpenBSD 3.0 2001-12-01 [OBD] 399FreeBSD 4.5 2002-01-29 [FBD] 400BSD/OS 4.3 2002-03-14 [WRS] 401OpenBSD 3.1 2002-05-19 [OBD] 402FreeBSD 4.6 2002-06-15 [FBD] 403NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 404FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 405Mac OS X 10.2 2002-08-23 [APL] 406NetBSD 1.6 2002-09-14 [NBD] 407FreeBSD 4.7 2002-10-08 [FBD] 408OpenBSD 3.2 2002-11-01 [OBD] 409FreeBSD 5.0 2003-01-17 [FBD] 410 FreeBSD 5.0 is a separate branch off of 411 -current, similar to 3.0. 412FreeBSD 4.8 2003-04-03 [FBD] 413NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 414OpenBSD 3.3 2003-05-01 [OBD] 415BSD/OS 5.0 2003-05-?? [WRS] 416FreeBSD 5.1 2003-06-09 [FBD] 417Mac OS X 10.3 2003-10-24 [APL] 418FreeBSD 4.9 2003-10-28 [FBD] 419BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 420OpenBSD 3.4 2003-11-01 [OBD] 421FreeBSD 5.2 2004-01-12 [FBD] 422FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 423NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 424OpenBSD 3.5 2004-04-01 [OBD] 425FreeBSD 4.10 2004-05-27 [FBD] 426DragonFly 1.0 2004-07-12 [DFB] 427OpenBSD 3.6 2004-10-29 [OBD] 428FreeBSD 5.3 2004-11-06 [FBD] 429NetBSD 2.0 2004-12-09 [NBD] 430FreeBSD 4.11 2005-01-25 [FBD] 431DragonFly 1.2.0 2005-04-08 [DFB] 432NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 433Mac OS X 10.4 2005-04-29 [APL] 434FreeBSD 5.4 2005-05-09 [FBD] 435OpenBSD 3.7 2005-05-19 [OBD] 436NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 437OpenBSD 3.8 2005-11-01 [OBD] 438FreeBSD 6.0 2005-11-01 [FBD] 439NetBSD 2.1 2005-11-02 [NBD]
	440NetBSD 3.0 2005-12-23 [NBD]
438 439Bibliography 440------------------------ 441 442Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 443Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 444System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 445 446Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 447Company, Inc., 1994. ISBN 0-201-54777-5 448 449McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 450Quarterman. The Design and Implementation of the 4.4BSD Operating 451System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 452 453McKusick, Marshall Kirk, George Neville-Neil. The Design and 454Implementation of the FreeBSD Operating System. 455Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 456 457Doug McIlroy. Research Unix Reader. 458 459Michael G. Brown. The Role of BSD in the Development of Unix. 460Presented to the Tasmanian Unix Special Interest Group of the 461Australian Computer Society, Hobart, August 1993. 462 463Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 464URL: http://www.byte.com/art/9410/sec8/art3.htm 465 466Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 467Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 468 469BSD Release Announcements collection. 470URL: http://www.de.FreeBSD.org/de/ftp/releases/ 471 472BSD Hypertext Man Pages 473URL: http://www.FreeBSD.org/cgi/man.cgi 474 475UNIX history graphing project 476URL: http://minnie.tuhs.org/Unix_History/index.html 477 478UNIX history 479URL: http://www.levenez.com/unix/ 480 481James Howard: The BSD Family Tree 482URL: http://www.daemonnews.org/200104/bsd_family.html 483("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 484 485 486Acknowledgments 487--------------- 488 489Josh Gilliam for suggestions, bug fixes, and finding very old 490original BSD announcements from Usenet or tapes. 491 492Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 493 494-- 495Copyright (c) 1997-2004 Wolfram Schneider <wosch@FreeBSD.ORG> 496URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree 497	441 442Bibliography 443------------------------ 444 445Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 446Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 447System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 448 449Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 450Company, Inc., 1994. ISBN 0-201-54777-5 451 452McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 453Quarterman. The Design and Implementation of the 4.4BSD Operating 454System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 455 456McKusick, Marshall Kirk, George Neville-Neil. The Design and 457Implementation of the FreeBSD Operating System. 458Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 459 460Doug McIlroy. Research Unix Reader. 461 462Michael G. Brown. The Role of BSD in the Development of Unix. 463Presented to the Tasmanian Unix Special Interest Group of the 464Australian Computer Society, Hobart, August 1993. 465 466Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 467URL: http://www.byte.com/art/9410/sec8/art3.htm 468 469Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 470Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 471 472BSD Release Announcements collection. 473URL: http://www.de.FreeBSD.org/de/ftp/releases/ 474 475BSD Hypertext Man Pages 476URL: http://www.FreeBSD.org/cgi/man.cgi 477 478UNIX history graphing project 479URL: http://minnie.tuhs.org/Unix_History/index.html 480 481UNIX history 482URL: http://www.levenez.com/unix/ 483 484James Howard: The BSD Family Tree 485URL: http://www.daemonnews.org/200104/bsd_family.html 486("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 487 488 489Acknowledgments 490--------------- 491 492Josh Gilliam for suggestions, bug fixes, and finding very old 493original BSD announcements from Usenet or tapes. 494 495Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 496 497-- 498Copyright (c) 1997-2004 Wolfram Schneider <wosch@FreeBSD.ORG> 499URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree 500
498$FreeBSD: head/share/misc/bsd-family-tree 152004 2005-11-03 08:06:06Z maxim $	501$FreeBSD: head/share/misc/bsd-family-tree 153699 2005-12-24 07:30:27Z maxim $

1The UNIX system family tree: Research and BSD
2---------------------------------------------
3
4First Edition (V1)
5 |
6Second Edition (V2)
7 |
8Third Edition (V3)
9 |
10Fourth Edition (V4)
11 |
12Fifth Edition (V5)
13 |
14Sixth Edition (V6) -----*
15 \ |
16 \ |
17 \ |
18Seventh 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 4.1aBSD -----------\ |
33 | \ |
34 4.1bBSD \ |
35 | \ |
36 *------ 4.1cBSD --------------> 2.9BSD
37 / | |
38Eighth Edition | 2.9BSD-Seismo
39 | | |
40 +----<--- 4.2BSD 2.9.1BSD
41 | | |
42 +----<--- 4.3BSD -------------> 2.10BSD
43 | | / |
44Ninth Edition | / 2.10.1BSD
45 | 4.3BSD Tahoe-----+ |
46 | | \ |
47 | | \ |
48 v | 2.11BSD
49Tenth Edition | |
50 | 2.11BSD rev #430
51 4.3BSD NET/1 |
52 | v
53 4.3BSD Reno
54 |
55 *---------- 4.3BSD NET/2 -------------------+-------------*
56 | | | |
57386BSD 0.0 | | BSD/386 ALPHA
58 | | | |
59386BSD 0.1 ------------>+ | BSD/386 0.3.[13]
60 | \ | 4.4BSD Alpha |
61 | 386BSD 1.0 | | BSD/386 0.9.[34]
62 | | 4.4BSD |
63 | | / | |
64 | | 4.4BSD-Encumbered | |
65 | NetBSD 0.8 | BSD/386 1.0
66 | | | |
67FreeBSD 1.0 NetBSD 0.9 | BSD/386 1.1
68 | | .----- 4.4BSD Lite |
69FreeBSD 1.1 | / / | \ |
70 | | / / | \ |
71FreeBSD 1.1.5 .---|--------' / | \ |
72 | / | / | \ |
73FreeBSD 1.1.5.1 / | / | \ |
74 | / NetBSD 1.0 <-' | \ |
75 | / | | \ |
76FreeBSD 2.0 <--' | | BSD/OS 2.0
77 | \ | |
78FreeBSD 2.0.5 \ | BSD/OS 2.0.1
79 | .-----\------------- 4.4BSD Lite2 |
80 | | \ | | | | |
81 | | .-----|------Rhapsody | | | |
82 | | | | NetBSD 1.3 | | |
83 | | | | OpenBSD 2.3 | |
84 | | | | BSD/OS 3.0 |
85FreeBSD 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 |
116FreeBSD 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
128FreeBSD 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 | | / | | | |
138 | | | | / | | | |
139 | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | |
140 | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2
141 | | | | | |
142 | | | | | |
143 | | 10.0 NetBSD 1.5 | |
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 |
154 | | \ | | NetBSD 1.5.3 | |
155 | FreeBSD 4.6.2 Mac OS X | | |
156 | | 10.2 | | |
157 | FreeBSD 4.7 | | | |
158 | | | NetBSD 1.6 OpenBSD 3.2 |
159 | FreeBSD 4.8 | | | | |
160 | | | | NetBSD 1.6.1 | |
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 | | | | \
175FreeBSD 5.0 | | | |
176 | | | | |
177FreeBSD 5.1 | | | DragonFly 1.0
178 | \ | | | |
179 | ----- Mac OS X | | |
180 | 10.3 | | |
181FreeBSD 5.2 | | | |
182 | | | | | |
183 | FreeBSD 5.2.1 | | | |
184 | | | | |
185 *---FreeBSD 5.3 | | | |
186 | | | | OpenBSD 3.6 |
187 | | | NetBSD 2.0 | |
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 | | | NetBSD 2.0.3 | |
193 | | | | | | |
194 *---FreeBSD 6.0 | | | v OpenBSD 3.8 |
195 | | | | | | |
196 | V | | \ | |
197 | | | NetBSD 2.1 | |
198 | | | | |

199 | | NetBSD 3.0 | |
200 | | | | |

199FreeBSD 7 -current | NetBSD -current OpenBSD -current |
200 | | | | |
201 v v v v v
202
203Time
204----------------
205
206Time tolerance +/- 6 months, depending on which book/article you read; if it
207was the announcement in Usenet or if it was available as tape.
208
209[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
210 and John Quarterman. The Design and Implementation of
211 the 4.4BSD Operating System.
212[APL] Apple website [http://www.apple.com/macosx/]
213[BSDI] Berkeley Software Design, Inc.
214[DFB] DragonFlyBSD Project, The.
215[DOC] README, COPYRIGHT on tape.
216[FBD] FreeBSD Project, The.
217[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
218 Volume 11, Info 4, April, 1987.
219[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
220 comp.bugs.4bsd.ucb-fixes, June 15, 1988.
221[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
222 Changes in the Kernel in 2.9BSD. Second Berkeley Software
223 Distribution UNIX Version 2.9, July, 1983.
224[NBD] NetBSD Project, The.
225[OBD] OpenBSD Project, The.
226[QCU] Salus, Peter H. A quarter century of UNIX.
227[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
228[USE] Usenet announcement.
229[WRS] Wind River Systems, Inc.
230[dmr] Dennis Ritchie, via E-Mail
231
232Multics 1965
233UNIX Summer 1969
234 DEC PDP-7
235First Edition 1971-11-03 [QCU]
236 DEC PDP-11/20, Assembler
237Second Edition 1972-06-12 [QCU]
238 10 UNIX installations
239Third Edition 1973-02-xx [QCU]
240 Pipes, 16 installations
241Fourth Edition 1973-11-xx [QCU]
242 rewriting in C effected,
243 above 30 installations
244Fifth Edition 1974-06-xx [QCU]
245 above 50 installations
246Sixth Edition 1975-05-xx [QCU]
247 port to DEC Vax
248Seventh Edition 1979-01-xx [QCU]
249 first portable UNIX
250Eighth Edition 1985-02-xx [QCU]
251 VAX 11/750, VAX 11/780 [dmr]
252 descended from 4.1c BSD [dmr]
253 descended from 4.1 BSD [44B]
254 scooping-out and replacement of the character-device
255 and networking part by the streams mechanism
256
257Ninth Edition 1986-09-xx [QCU]
258Tenth Edition 1989-10-xx [QCU]
259
2601BSD late 1977
261 1978-03-09 [QCU]
262 PDP-11, Pascal, ex(1)
263 30 free copies of 1BSD sent out
264 35 tapes sold for 50 USD [QCU]
2652BSD mid 1978 [QCU]
266 75 2BSD tapes shipped
2672.7.9BSD ?? [SMS]
2682.8BSD 1981-07-xx [KSJ]
269
2702.8.1BSD 1982-01-xx [QCU]
271 set of performance improvements
2722.9BSD 1983-07-xx [KSJ]
2732.9.1BSD 1983-11-xx
2742.9BSD-Seismo 1985-08-xx [SMS]
2752.10BSD 1987-04-xx [KKK]
2762.10.1BSD 1989-01-xx [SMS]
2772.11BSD 1992-02-xx [SMS]
2782.11BSD rev #430 1999-12-13 [SMS]
279
28032V 1978-1[01]-xx [QCU]
2813BSD late 1979 [QCU]
282 virtual memory, page replacement,
283 demand paging
2844.0BSD 1980-10-xx
2854.1BSD 1981-07-08 [DOC]
2864.1aBSD 1982-04-xx
287 alpha release, 100 sites, networking [44B]
2884.1bBSD internal release, fast filesystem [44B]
2894.1cBSD late 1982
290 beta release, IPC [44B]
2914.2BSD 1983-09-xx [QCU]
292 1983-08-03 [DOC]
2934.3BSD 1986-06-xx [QCU]
294 1986-04-05 [KB], [DOC]
2954.3BSD Tahoe 1988-06-15 [QCU], [DOC]
2964.3BSD NET/1 1988-11-xx [QCU]
297 1989-01-01 [DOC]
2984.3BSD Reno 1990-06-29 [QCU], [DOC]
2994.3BSD NET/2 1991-06-28 [QCU], [DOC]
300
301BSD/386 ALPHA 1991-12-xx [BSDI]
302 first code released to people outside BSDI
303386BSD 0.0 1992-02-xx [DOC]
304BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers
305BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version
306386BSD 0.1 1992-07-28 [DOC]
3074.4BSD Alpha 1992-07-07
308BSD/386 0.9.3 1992-10-xx [BSDI]
309 first external gamma; G customers
310BSD/386 0.9.4 1992-12-xx [BSDI]
311 would have been 1.0 except for request
312 for preliminary injunction
313BSD/386 1.0 1993-03-xx [BSDI]
314 injunction denied; first official release
315NetBSD 0.8 1993-04-20 [NBD]
3164.4BSD 1993-06-01 [USE]
317NetBSD 0.9 1993-08-23 [NBD]
318FreeBSD 1.0 1993-11-01 [FBD]
319BSD/386 1.1 1994-02-xx [BSDI]
3204.4BSD Lite 1994-03-01 [USE]
321FreeBSD 1.1 1994-05-07 [FBD]
322FreeBSD 1.1.5 1994-06-30 [FBD]
323FreeBSD 1.1.5.1 1994-07-05 [FBD]
324 supersedes 1.1.5 5 days after release.
325NetBSD 1.0 1994-10-26 [NBD]
326386BSD 1.0 1994-11-12 [USE]
327FreeBSD 2.0 1994-11-23 [FBD]
328BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
329FreeBSD 2.0.5 1995-06-10 [FBD]
330BSD/OS 2.0.1 1995-06-xx [BSDI]
3314.4BSD Lite Release 2 1995-06-xx [44B]
332 the true final distribution from the CSRG
333FreeBSD 2.1.0 1995-11-19 [FBD]
334NetBSD 1.1 1995-11-26 [NBD]
335BSD/OS 2.1 1996-01-xx [BSDI]
336FreeBSD 2.1.5 1996-07-14 [FBD]
337NetBSD 1.2 1996-10-04 [NBD]
338OpenBSD 2.0 1996-10-18 [OBD]
339FreeBSD 2.1.6 1996-11-16 [FBD]
340FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
341Rhapsody 1997-xx-xx
342FreeBSD 2.1.7 1997-02-20 [FBD]
343BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
344FreeBSD 2.2.0 1997-03-16 [FBD]
345FreeBSD 2.2.1 1997-03-25 [FBD]
346FreeBSD 2.2.2 1997-05-16 [FBD]
347NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
348OpenBSD 2.1 1997-06-01 [OBD]
349FreeBSD 2.2.5 1997-10-22 [FBD]
350OpenBSD 2.2 1997-12-01 [OBD]
351NetBSD 1.3 1998-01-04 [NBD]
352FreeBSD 2.2.6 1998-03-25 [FBD]
353NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
354BSD/OS 3.1 1998-03-xx [BSDI]
355OpenBSD 2.3 1998-05-19 [OBD]
356NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
357FreeBSD 2.2.7 1998-07-22 [FBD]
358BSD/OS 4.0 1998-08-xx [BSDI]
359 2-lock MP support, ELF executables
360FreeBSD 3.0 1998-10-16 [FBD]
361 FreeBSD-3.0 is a snapshot from -current,
362 while 3.1 and 3.2 are from 3.x-stable which
363 was branched quite some time after 3.0-release
364FreeBSD 2.2.8 1998-11-29 [FBD]
365OpenBSD 2.4 1998-12-01 [OBD]
366NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
367FreeBSD 3.1 1999-02-15 [FBD]
368BSD/OS 4.0.1 1999-03-xx [BSDI]
369NetBSD 1.4 1999-05-12 [NBD]
370FreeBSD 3.2 1999-05-17 [FBD]
371OpenBSD 2.5 1999-05-19 [OBD]
372NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
373FreeBSD 3.3 1999-09-17 [FBD]
374OpenBSD 2.6 1999-12-01 [OBD]
375FreeBSD 3.4 1999-12-20 [FBD]
376BSD/OS 4.1 1999-12-xx [BSDI]
377FreeBSD 4.0 2000-03-13 [FBD]
378NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
379OpenBSD 2.7 2000-06-15 [OBD]
380FreeBSD 3.5 2000-06-24 [FBD]
381FreeBSD 4.1 2000-07-27 [FBD]
382FreeBSD 3.5.1 2000-07-28 [FBD]
383FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
384FreeBSD 4.2 2000-11-21 [FBD]
385NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
386BSD/OS 4.2 2000-11-29 [BSDI]
387OpenBSD 2.8 2000-12-01 [OBD]
388NetBSD 1.5 2000-12-06 [NBD]
389Mac OS X 10.0 2001-03-24 [APL]
390FreeBSD 4.3 2001-04-20 [FBD]
391OpenBSD 2.9 2001-06-01 [OBD]
392NetBSD 1.5.1 2001-07-11 [NBD] (patch release)
393NetBSD 1.5.2 2001-09-13 [NBD] (patch release)
394FreeBSD 4.4 2001-09-18 [FBD]
395Mac OS X 10.1 2001-09-29 [APL]
396OpenBSD 3.0 2001-12-01 [OBD]
397FreeBSD 4.5 2002-01-29 [FBD]
398BSD/OS 4.3 2002-03-14 [WRS]
399OpenBSD 3.1 2002-05-19 [OBD]
400FreeBSD 4.6 2002-06-15 [FBD]
401NetBSD 1.5.3 2002-07-22 [NBD] (patch release)
402FreeBSD 4.6.2 2002-08-15 [FBD] (patch release)
403Mac OS X 10.2 2002-08-23 [APL]
404NetBSD 1.6 2002-09-14 [NBD]
405FreeBSD 4.7 2002-10-08 [FBD]
406OpenBSD 3.2 2002-11-01 [OBD]
407FreeBSD 5.0 2003-01-17 [FBD]
408 FreeBSD 5.0 is a separate branch off of
409 -current, similar to 3.0.
410FreeBSD 4.8 2003-04-03 [FBD]
411NetBSD 1.6.1 2003-04-21 [NBD] (patch release)
412OpenBSD 3.3 2003-05-01 [OBD]
413BSD/OS 5.0 2003-05-?? [WRS]
414FreeBSD 5.1 2003-06-09 [FBD]
415Mac OS X 10.3 2003-10-24 [APL]
416FreeBSD 4.9 2003-10-28 [FBD]
417BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version)
418OpenBSD 3.4 2003-11-01 [OBD]
419FreeBSD 5.2 2004-01-12 [FBD]
420FreeBSD 5.2.1 2004-02-22 [FBD] (patch release)
421NetBSD 1.6.2 2004-03-01 [NBD] (patch release)
422OpenBSD 3.5 2004-04-01 [OBD]
423FreeBSD 4.10 2004-05-27 [FBD]
424DragonFly 1.0 2004-07-12 [DFB]
425OpenBSD 3.6 2004-10-29 [OBD]
426FreeBSD 5.3 2004-11-06 [FBD]
427NetBSD 2.0 2004-12-09 [NBD]
428FreeBSD 4.11 2005-01-25 [FBD]
429DragonFly 1.2.0 2005-04-08 [DFB]
430NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release)
431Mac OS X 10.4 2005-04-29 [APL]
432FreeBSD 5.4 2005-05-09 [FBD]
433OpenBSD 3.7 2005-05-19 [OBD]
434NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release)
435OpenBSD 3.8 2005-11-01 [OBD]
436FreeBSD 6.0 2005-11-01 [FBD]
437NetBSD 2.1 2005-11-02 [NBD]

201FreeBSD 7 -current | NetBSD -current OpenBSD -current |
202 | | | | |
203 v v v v v
204
205Time
206----------------
207
208Time tolerance +/- 6 months, depending on which book/article you read; if it
209was the announcement in Usenet or if it was available as tape.
210
211[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
212 and John Quarterman. The Design and Implementation of
213 the 4.4BSD Operating System.
214[APL] Apple website [http://www.apple.com/macosx/]
215[BSDI] Berkeley Software Design, Inc.
216[DFB] DragonFlyBSD Project, The.
217[DOC] README, COPYRIGHT on tape.
218[FBD] FreeBSD Project, The.
219[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
220 Volume 11, Info 4, April, 1987.
221[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
222 comp.bugs.4bsd.ucb-fixes, June 15, 1988.
223[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
224 Changes in the Kernel in 2.9BSD. Second Berkeley Software
225 Distribution UNIX Version 2.9, July, 1983.
226[NBD] NetBSD Project, The.
227[OBD] OpenBSD Project, The.
228[QCU] Salus, Peter H. A quarter century of UNIX.
229[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
230[USE] Usenet announcement.
231[WRS] Wind River Systems, Inc.
232[dmr] Dennis Ritchie, via E-Mail
233
234Multics 1965
235UNIX Summer 1969
236 DEC PDP-7
237First Edition 1971-11-03 [QCU]
238 DEC PDP-11/20, Assembler
239Second Edition 1972-06-12 [QCU]
240 10 UNIX installations
241Third Edition 1973-02-xx [QCU]
242 Pipes, 16 installations
243Fourth Edition 1973-11-xx [QCU]
244 rewriting in C effected,
245 above 30 installations
246Fifth Edition 1974-06-xx [QCU]
247 above 50 installations
248Sixth Edition 1975-05-xx [QCU]
249 port to DEC Vax
250Seventh Edition 1979-01-xx [QCU]
251 first portable UNIX
252Eighth Edition 1985-02-xx [QCU]
253 VAX 11/750, VAX 11/780 [dmr]
254 descended from 4.1c BSD [dmr]
255 descended from 4.1 BSD [44B]
256 scooping-out and replacement of the character-device
257 and networking part by the streams mechanism
258
259Ninth Edition 1986-09-xx [QCU]
260Tenth Edition 1989-10-xx [QCU]
261
2621BSD late 1977
263 1978-03-09 [QCU]
264 PDP-11, Pascal, ex(1)
265 30 free copies of 1BSD sent out
266 35 tapes sold for 50 USD [QCU]
2672BSD mid 1978 [QCU]
268 75 2BSD tapes shipped
2692.7.9BSD ?? [SMS]
2702.8BSD 1981-07-xx [KSJ]
271
2722.8.1BSD 1982-01-xx [QCU]
273 set of performance improvements
2742.9BSD 1983-07-xx [KSJ]
2752.9.1BSD 1983-11-xx
2762.9BSD-Seismo 1985-08-xx [SMS]
2772.10BSD 1987-04-xx [KKK]
2782.10.1BSD 1989-01-xx [SMS]
2792.11BSD 1992-02-xx [SMS]
2802.11BSD rev #430 1999-12-13 [SMS]
281
28232V 1978-1[01]-xx [QCU]
2833BSD late 1979 [QCU]
284 virtual memory, page replacement,
285 demand paging
2864.0BSD 1980-10-xx
2874.1BSD 1981-07-08 [DOC]
2884.1aBSD 1982-04-xx
289 alpha release, 100 sites, networking [44B]
2904.1bBSD internal release, fast filesystem [44B]
2914.1cBSD late 1982
292 beta release, IPC [44B]
2934.2BSD 1983-09-xx [QCU]
294 1983-08-03 [DOC]
2954.3BSD 1986-06-xx [QCU]
296 1986-04-05 [KB], [DOC]
2974.3BSD Tahoe 1988-06-15 [QCU], [DOC]
2984.3BSD NET/1 1988-11-xx [QCU]
299 1989-01-01 [DOC]
3004.3BSD Reno 1990-06-29 [QCU], [DOC]
3014.3BSD NET/2 1991-06-28 [QCU], [DOC]
302
303BSD/386 ALPHA 1991-12-xx [BSDI]
304 first code released to people outside BSDI
305386BSD 0.0 1992-02-xx [DOC]
306BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers
307BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version
308386BSD 0.1 1992-07-28 [DOC]
3094.4BSD Alpha 1992-07-07
310BSD/386 0.9.3 1992-10-xx [BSDI]
311 first external gamma; G customers
312BSD/386 0.9.4 1992-12-xx [BSDI]
313 would have been 1.0 except for request
314 for preliminary injunction
315BSD/386 1.0 1993-03-xx [BSDI]
316 injunction denied; first official release
317NetBSD 0.8 1993-04-20 [NBD]
3184.4BSD 1993-06-01 [USE]
319NetBSD 0.9 1993-08-23 [NBD]
320FreeBSD 1.0 1993-11-01 [FBD]
321BSD/386 1.1 1994-02-xx [BSDI]
3224.4BSD Lite 1994-03-01 [USE]
323FreeBSD 1.1 1994-05-07 [FBD]
324FreeBSD 1.1.5 1994-06-30 [FBD]
325FreeBSD 1.1.5.1 1994-07-05 [FBD]
326 supersedes 1.1.5 5 days after release.
327NetBSD 1.0 1994-10-26 [NBD]
328386BSD 1.0 1994-11-12 [USE]
329FreeBSD 2.0 1994-11-23 [FBD]
330BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
331FreeBSD 2.0.5 1995-06-10 [FBD]
332BSD/OS 2.0.1 1995-06-xx [BSDI]
3334.4BSD Lite Release 2 1995-06-xx [44B]
334 the true final distribution from the CSRG
335FreeBSD 2.1.0 1995-11-19 [FBD]
336NetBSD 1.1 1995-11-26 [NBD]
337BSD/OS 2.1 1996-01-xx [BSDI]
338FreeBSD 2.1.5 1996-07-14 [FBD]
339NetBSD 1.2 1996-10-04 [NBD]
340OpenBSD 2.0 1996-10-18 [OBD]
341FreeBSD 2.1.6 1996-11-16 [FBD]
342FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
343Rhapsody 1997-xx-xx
344FreeBSD 2.1.7 1997-02-20 [FBD]
345BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
346FreeBSD 2.2.0 1997-03-16 [FBD]
347FreeBSD 2.2.1 1997-03-25 [FBD]
348FreeBSD 2.2.2 1997-05-16 [FBD]
349NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
350OpenBSD 2.1 1997-06-01 [OBD]
351FreeBSD 2.2.5 1997-10-22 [FBD]
352OpenBSD 2.2 1997-12-01 [OBD]
353NetBSD 1.3 1998-01-04 [NBD]
354FreeBSD 2.2.6 1998-03-25 [FBD]
355NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
356BSD/OS 3.1 1998-03-xx [BSDI]
357OpenBSD 2.3 1998-05-19 [OBD]
358NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
359FreeBSD 2.2.7 1998-07-22 [FBD]
360BSD/OS 4.0 1998-08-xx [BSDI]
361 2-lock MP support, ELF executables
362FreeBSD 3.0 1998-10-16 [FBD]
363 FreeBSD-3.0 is a snapshot from -current,
364 while 3.1 and 3.2 are from 3.x-stable which
365 was branched quite some time after 3.0-release
366FreeBSD 2.2.8 1998-11-29 [FBD]
367OpenBSD 2.4 1998-12-01 [OBD]
368NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
369FreeBSD 3.1 1999-02-15 [FBD]
370BSD/OS 4.0.1 1999-03-xx [BSDI]
371NetBSD 1.4 1999-05-12 [NBD]
372FreeBSD 3.2 1999-05-17 [FBD]
373OpenBSD 2.5 1999-05-19 [OBD]
374NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
375FreeBSD 3.3 1999-09-17 [FBD]
376OpenBSD 2.6 1999-12-01 [OBD]
377FreeBSD 3.4 1999-12-20 [FBD]
378BSD/OS 4.1 1999-12-xx [BSDI]
379FreeBSD 4.0 2000-03-13 [FBD]
380NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
381OpenBSD 2.7 2000-06-15 [OBD]
382FreeBSD 3.5 2000-06-24 [FBD]
383FreeBSD 4.1 2000-07-27 [FBD]
384FreeBSD 3.5.1 2000-07-28 [FBD]
385FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
386FreeBSD 4.2 2000-11-21 [FBD]
387NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
388BSD/OS 4.2 2000-11-29 [BSDI]
389OpenBSD 2.8 2000-12-01 [OBD]
390NetBSD 1.5 2000-12-06 [NBD]
391Mac OS X 10.0 2001-03-24 [APL]
392FreeBSD 4.3 2001-04-20 [FBD]
393OpenBSD 2.9 2001-06-01 [OBD]
394NetBSD 1.5.1 2001-07-11 [NBD] (patch release)
395NetBSD 1.5.2 2001-09-13 [NBD] (patch release)
396FreeBSD 4.4 2001-09-18 [FBD]
397Mac OS X 10.1 2001-09-29 [APL]
398OpenBSD 3.0 2001-12-01 [OBD]
399FreeBSD 4.5 2002-01-29 [FBD]
400BSD/OS 4.3 2002-03-14 [WRS]
401OpenBSD 3.1 2002-05-19 [OBD]
402FreeBSD 4.6 2002-06-15 [FBD]
403NetBSD 1.5.3 2002-07-22 [NBD] (patch release)
404FreeBSD 4.6.2 2002-08-15 [FBD] (patch release)
405Mac OS X 10.2 2002-08-23 [APL]
406NetBSD 1.6 2002-09-14 [NBD]
407FreeBSD 4.7 2002-10-08 [FBD]
408OpenBSD 3.2 2002-11-01 [OBD]
409FreeBSD 5.0 2003-01-17 [FBD]
410 FreeBSD 5.0 is a separate branch off of
411 -current, similar to 3.0.
412FreeBSD 4.8 2003-04-03 [FBD]
413NetBSD 1.6.1 2003-04-21 [NBD] (patch release)
414OpenBSD 3.3 2003-05-01 [OBD]
415BSD/OS 5.0 2003-05-?? [WRS]
416FreeBSD 5.1 2003-06-09 [FBD]
417Mac OS X 10.3 2003-10-24 [APL]
418FreeBSD 4.9 2003-10-28 [FBD]
419BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version)
420OpenBSD 3.4 2003-11-01 [OBD]
421FreeBSD 5.2 2004-01-12 [FBD]
422FreeBSD 5.2.1 2004-02-22 [FBD] (patch release)
423NetBSD 1.6.2 2004-03-01 [NBD] (patch release)
424OpenBSD 3.5 2004-04-01 [OBD]
425FreeBSD 4.10 2004-05-27 [FBD]
426DragonFly 1.0 2004-07-12 [DFB]
427OpenBSD 3.6 2004-10-29 [OBD]
428FreeBSD 5.3 2004-11-06 [FBD]
429NetBSD 2.0 2004-12-09 [NBD]
430FreeBSD 4.11 2005-01-25 [FBD]
431DragonFly 1.2.0 2005-04-08 [DFB]
432NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release)
433Mac OS X 10.4 2005-04-29 [APL]
434FreeBSD 5.4 2005-05-09 [FBD]
435OpenBSD 3.7 2005-05-19 [OBD]
436NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release)
437OpenBSD 3.8 2005-11-01 [OBD]
438FreeBSD 6.0 2005-11-01 [FBD]
439NetBSD 2.1 2005-11-02 [NBD]

440NetBSD 3.0 2005-12-23 [NBD]

438
439Bibliography
440------------------------
441
442Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
443Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
444System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
445
446Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
447Company, Inc., 1994. ISBN 0-201-54777-5
448
449McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
450Quarterman. The Design and Implementation of the 4.4BSD Operating
451System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
452
453McKusick, Marshall Kirk, George Neville-Neil. The Design and
454Implementation of the FreeBSD Operating System.
455Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
456
457Doug McIlroy. Research Unix Reader.
458
459Michael G. Brown. The Role of BSD in the Development of Unix.
460Presented to the Tasmanian Unix Special Interest Group of the
461Australian Computer Society, Hobart, August 1993.
462
463Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
464URL: http://www.byte.com/art/9410/sec8/art3.htm
465
466Andreas Klemm, Lars K�ller. If you're going to San Francisco ...
467Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
468
469BSD Release Announcements collection.
470URL: http://www.de.FreeBSD.org/de/ftp/releases/
471
472BSD Hypertext Man Pages
473URL: http://www.FreeBSD.org/cgi/man.cgi
474
475UNIX history graphing project
476URL: http://minnie.tuhs.org/Unix_History/index.html
477
478UNIX history
479URL: http://www.levenez.com/unix/
480
481James Howard: The BSD Family Tree
482URL: http://www.daemonnews.org/200104/bsd_family.html
483("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
484
485
486Acknowledgments
487---------------
488
489Josh Gilliam for suggestions, bug fixes, and finding very old
490original BSD announcements from Usenet or tapes.
491
492Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
493
494--
495Copyright (c) 1997-2004 Wolfram Schneider <wosch@FreeBSD.ORG>
496URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
497

441
442Bibliography
443------------------------
444
445Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
446Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
447System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
448
449Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
450Company, Inc., 1994. ISBN 0-201-54777-5
451
452McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
453Quarterman. The Design and Implementation of the 4.4BSD Operating
454System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
455
456McKusick, Marshall Kirk, George Neville-Neil. The Design and
457Implementation of the FreeBSD Operating System.
458Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
459
460Doug McIlroy. Research Unix Reader.
461
462Michael G. Brown. The Role of BSD in the Development of Unix.
463Presented to the Tasmanian Unix Special Interest Group of the
464Australian Computer Society, Hobart, August 1993.
465
466Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
467URL: http://www.byte.com/art/9410/sec8/art3.htm
468
469Andreas Klemm, Lars K�ller. If you're going to San Francisco ...
470Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
471
472BSD Release Announcements collection.
473URL: http://www.de.FreeBSD.org/de/ftp/releases/
474
475BSD Hypertext Man Pages
476URL: http://www.FreeBSD.org/cgi/man.cgi
477
478UNIX history graphing project
479URL: http://minnie.tuhs.org/Unix_History/index.html
480
481UNIX history
482URL: http://www.levenez.com/unix/
483
484James Howard: The BSD Family Tree
485URL: http://www.daemonnews.org/200104/bsd_family.html
486("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
487
488
489Acknowledgments
490---------------
491
492Josh Gilliam for suggestions, bug fixes, and finding very old
493original BSD announcements from Usenet or tapes.
494
495Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
496
497--
498Copyright (c) 1997-2004 Wolfram Schneider <wosch@FreeBSD.ORG>
499URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
500

498$FreeBSD: head/share/misc/bsd-family-tree 152004 2005-11-03 08:06:06Z maxim $

501$FreeBSD: head/share/misc/bsd-family-tree 153699 2005-12-24 07:30:27Z maxim $