bsd-family-tree revision 1.66
11.6SitojunThe UNIX system family tree: Research and BSD
21.6Sitojun---------------------------------------------
31.1Sabs
41.1SabsFirst Edition (V1)
51.1Sabs     |
61.1SabsSecond Edition (V2)
71.1Sabs     |
81.1SabsThird Edition (V3)
91.1Sabs     |
101.1SabsFourth Edition (V4)
111.1Sabs     |
121.1SabsFifth Edition (V5)
131.1Sabs     |
141.1SabsSixth Edition (V6) -----*
151.1Sabs       \                |
161.1Sabs        \               |
171.1Sabs         \              |
181.1SabsSeventh Edition (V7)    |
191.1Sabs            \           |
201.1Sabs             \        1BSD
211.1Sabs             32V        |
221.1Sabs               \      2BSD---------------*
231.1Sabs                \    /                   |
241.1Sabs                 \  /                    |
251.1Sabs                  \/                     |
261.1Sabs                 3BSD                    |
271.1Sabs                  |                      |
281.43Shubertf               4.0BSD                2.79BSD
291.1Sabs                  |                      |
301.6Sitojun               4.1BSD --------------> 2.8BSD
311.6Sitojun                  |                      |
321.6Sitojun              4.1aBSD -----------\       |
331.6Sitojun                  |                \     |
341.6Sitojun              4.1bBSD                \   |
351.6Sitojun                  |                    \ |
361.6Sitojun      *------ 4.1cBSD --------------> 2.9BSD
371.6Sitojun     /            |                      |
381.6SitojunEighth Edition    |                   2.9BSD-Seismo
391.1Sabs     |            |                      |
401.1Sabs     +----<--- 4.2BSD               2.9.1BSD
411.1Sabs     |            |                      |
421.1Sabs     +----<--- 4.3BSD -------------> 2.10BSD
431.1Sabs     |            |               /      |
441.1SabsNinth Edition     |              / 2.10.1BSD
451.1Sabs     |         4.3BSD Tahoe-----+        |
461.1Sabs     |            |              \       |
471.1Sabs     |            |                \     |
481.1Sabs     v            |                  2.11BSD
491.1SabsTenth Edition     |                      |
501.6Sitojun                  |                  2.11BSD rev #430
511.1Sabs               4.3BSD NET/1              |
521.1Sabs                  |                      v
531.1Sabs               4.3BSD Reno
541.1Sabs                  |
551.1Sabs   *---------- 4.3BSD NET/2 -------------------+-------------*
561.1Sabs   |                    |                      |             |
571.7Sitojun386BSD 0.0              |                      |           BSD/386 ALPHA
581.1Sabs   |                    |                      |             |
591.7Sitojun386BSD 0.1 ------------>+                      |           BSD/386 0.3.[13]
601.1Sabs   |     \              |                  4.4BSD Alpha      |
611.7Sitojun   |     386BSD 1.0     |                      |           BSD/386 0.9.[34]
621.1Sabs   |                    |                  4.4BSD            |
631.1Sabs   |                    |                    / |             |
641.1Sabs   |                    |   4.4BSD-Encumbered  |             |
651.46Sriz   |                -NetBSD 0.8                |           BSD/386 1.0
661.46Sriz   |               /    |                      |             |
671.46SrizFreeBSD 1.0 <-----'  NetBSD 0.9                |           BSD/386 1.1
681.7Sitojun   |                    |           .----- 4.4BSD Lite       |
691.7SitojunFreeBSD 1.1             |          /   /       |     \       |
701.7Sitojun   |                    |         /   /        |      \      |
711.7SitojunFreeBSD 1.1.5       .---|--------'   /         |       \     |
721.7Sitojun   |               /    |           /          |        \    |
731.7SitojunFreeBSD 1.1.5.1   /     |          /           |         \   |
741.7Sitojun   |             /   NetBSD 1.0 <-'            |          \  |
751.7Sitojun   |            /       |                      |           \ |
761.7SitojunFreeBSD 2.0 <--'        |                      |           BSD/OS 2.0
771.7Sitojun   |                     \                     |             |
781.7SitojunFreeBSD 2.0.5             \                    |           BSD/OS 2.0.1
791.11Sitojun   |                 .-----\------------- 4.4BSD Lite2       |
801.11Sitojun   |                 |      \             |  |   |   |       |
811.11Sitojun   |                 | .-----|------Rhapsody |   |   |       |
821.11Sitojun   |                 | |     |        NetBSD 1.3 |   |       |
831.11Sitojun   |                 | |     |           OpenBSD 2.3 |       |
841.11Sitojun   |                 | |     |                BSD/OS 3.0     |
851.11SitojunFreeBSD 2.1          | |     |                               |
861.11Sitojun |   |               | |  NetBSD 1.1 ------.               BSD/OS 2.1
871.11Sitojun | FreeBSD 2.1.5     | |     |              \                |
881.11Sitojun |     |             | |  NetBSD 1.2         \             BSD/OS 3.0
891.11Sitojun | FreeBSD 2.1.6     | |     |  \          OpenBSD 2.0       |
901.11Sitojun |     |             | |     |   \             |             |
911.11Sitojun | FreeBSD 2.1.6.1   | |     |    \            |             |
921.11Sitojun |     |             | |     |     \           |             |
931.11Sitojun | FreeBSD 2.1.7     | |     |      |          |             |
941.11Sitojun |     |             | |     |  NetBSD 1.2.1   |             |
951.11Sitojun | FreeBSD 2.1.7.1   | |     |                 |             |
961.11Sitojun |                   | |     |                 |             |
971.11Sitojun |                   | |     |                 |             |
981.11Sitojun *-FreeBSD 2.2       | |     |                 |             |
991.11Sitojun |        \          | |     |                 |             |
1001.11Sitojun |     FreeBSD 2.2.1 | |     |                 |             |
1011.11Sitojun |         |         | |     |                 |             |
1021.11Sitojun |     FreeBSD 2.2.2 | |     |             OpenBSD 2.1       |
1031.11Sitojun |         |         | |     |                 |             |
1041.11Sitojun |     FreeBSD 2.2.5 | |     |                 |             |
1051.11Sitojun |         |         | |     |             OpenBSD 2.2       |
1061.11Sitojun |         |         | |  NetBSD 1.3           |             |
1071.11Sitojun |     FreeBSD 2.2.6 | |     |    |            |             |
1081.11Sitojun |         |         | |     | NetBSD 1.3.1    |           BSD/OS 3.1
1091.11Sitojun |         |         | |     |    |        OpenBSD 2.3       |
1101.11Sitojun |         |         | |     | NetBSD 1.3.2    |             |
1111.11Sitojun |     FreeBSD 2.2.7 | |     |    |            |             |
1121.11Sitojun |         |         | |     |    |            |           BSD/OS 4.0
1131.11Sitojun |     FreeBSD 2.2.8 | |     |    |            |             |
1141.57Ssevan |         |         | |     |    |            |             |
1151.57Ssevan |         v         | |     |    |        OpenBSD 2.4       |
1161.57Ssevan |     FreeBSD 2.2.9 | |     |    |            |             |
1171.57Ssevan |                   | |     |    |            |             |
1181.11SitojunFreeBSD 3.0 <--------* |     |    v            |             |
1191.11Sitojun |                     |     | NetBSD 1.3.3    |             |
1201.11Sitojun *---FreeBSD 3.1       |     |                 |             |
1211.11Sitojun |       |             |     |                 |           BSD/OS 4.0.1
1221.11Sitojun |   FreeBSD 3.2----*  |  NetBSD 1.4       OpenBSD 2.5       |
1231.11Sitojun |       |          |  |  |  |    |            |             |
1241.11Sitojun |       |          |  |  |  |    |            |             |
1251.11Sitojun |       |          |  |  |  |    |            |             |
1261.11Sitojun |   FreeBSD 3.3    |  |  |  | NetBSD 1.4.1    |             |
1271.11Sitojun |       |          |  |  |  |    |        OpenBSD 2.6       |
1281.11Sitojun |   FreeBSD 3.4    |  |  |  |    |            |             |
1291.11Sitojun |           |      |  |  |  |    |            |           BSD/OS 4.1
1301.11SitojunFreeBSD 4.0  |      |  |  |  | NetBSD 1.4.2    |             |
1311.11Sitojun |           |      |  |  |  |    |            |             |
1321.11Sitojun |           |      |  |  |  |    |            |             |
1331.11Sitojun |   FreeBSD 3.5    |  |  |  |    |        OpenBSD 2.7       |
1341.11Sitojun |           |      |  |  |  |    |            |             |
1351.11Sitojun |   FreeBSD 3.5.1  |  |  |  |    |            |             |
1361.11Sitojun |                  |  |  |  |    |            |             |
1371.11Sitojun *---FreeBSD 4.1    |  |  |  |    |            |             |
1381.11Sitojun |      |           |  | (?) |    |            |             |
1391.11Sitojun |   FreeBSD 4.1.1  |  |  /  |    |            |             |
1401.16Sjunyoung |      |           |  | /   |    |            |             |
1411.11Sitojun |   FreeBSD 4.2   Darwin/   | NetBSD 1.4.3    |             |
1421.25Ssoda |      |         Mac OS X   |             OpenBSD 2.8     BSD/OS 4.2
1431.25Ssoda |      |             |      |                 |             |
1441.13Sjunyoung |      |             |      |                 |             |
1451.11Sitojun |      |           10.0  NetBSD 1.5           |             |
1461.17Sjunyoung |   FreeBSD 4.3      |      |    |            |             |
1471.17Sjunyoung |      |             |      |    |        OpenBSD 2.9       |
1481.17Sjunyoung |      |             |      | NetBSD 1.5.1    |             |
1491.17Sjunyoung |      |             |      |    |            |             |
1501.17Sjunyoung |   FreeBSD 4.4-.    |      | NetBSD 1.5.2    |             |
1511.17Sjunyoung |      |        | Mac OS X  |    |            |             |
1521.17Sjunyoung |      |        |   10.1    |    |        OpenBSD 3.0       |
1531.17Sjunyoung |   FreeBSD 4.5 |    |      |    |            |             |
1541.17Sjunyoung |      |         \   |      |    |            |           BSD/OS 4.3
1551.17Sjunyoung |   FreeBSD 4.6   \  |      |    |        OpenBSD 3.1       |
1561.43Shubertf |      |           \ |      | NetBSD 1.5.3    |             |
1571.25Ssoda |   FreeBSD 4.6.2 Mac OS X  |                 |             |
1581.25Ssoda |      |            10.2    |                 |             |
1591.21Scjep |   FreeBSD 4.7      |      |                 |             |
1601.21Scjep |      |             |   NetBSD 1.6       OpenBSD 3.2       |
1611.21Scjep |   FreeBSD 4.8      |      |    |            |             |
1621.21Scjep |      |             |      | NetBSD 1.6.1    |             |
1631.23Speter |      |--------.    |      |    |        OpenBSD 3.3     BSD/OS 5.0
1641.23Speter |      |         \   |      |    |            |             |
1651.23Speter |   FreeBSD 4.9   |  |      |    |        OpenBSD 3.4     BSD/OS 5.1 ISE
1661.23Speter |      |          |  |      |    |            |
1671.23Speter |      |          |  |      | NetBSD 1.6.2    |
1681.23Speter |      |          |  |      |    |            |
1691.23Speter |      |          |  |      |    |        OpenBSD 3.5
1701.23Speter |      |          |  |      |    v            |
1711.23Speter |   FreeBSD 4.10  |  |      |                 |
1721.23Speter |      |          |  |      |                 |
1731.23Speter |   FreeBSD 4.11  |  |      |                 |
1741.42Shubertf |                 |  |      |                 |
1751.42Shubertf |                  `-|------|-----------------|---------------------.
1761.23Speter |                    |      |                 |                      \
1771.23SpeterFreeBSD 5.0           |      |                 |                       |
1781.23Speter |                    |      |                 |                       |
1791.59SsevanFreeBSD 5.1           |      |                 |                DragonFly 1.0
1801.23Speter |          \         |      |                 |                       |
1811.23Speter |           ----- Mac OS X  |                 |                       |
1821.23Speter |                   10.3    |                 |                       |
1831.23SpeterFreeBSD 5.2           |      |                 |                       |
1841.23Speter |      |             |      |                 |                       |
1851.23Speter |   FreeBSD 5.2.1    |      |                 |                       |
1861.23Speter |                    |      |                 |                       |
1871.35Srpaulo *-------FreeBSD 5.3  |      |                 |                       |
1881.35Srpaulo |           |        |      |             OpenBSD 3.6                 |
1891.35Srpaulo |           |        |   NetBSD 2.0           |                       |
1901.59Ssevan |           |        |      | |  |            |               DragonFly 1.2.0
1911.35Srpaulo |           |     Mac OS X  | | NetBSD 2.0.2  |                       |
1921.35Srpaulo |           |       10.4    | |  |            |                       |
1931.35Srpaulo |       FreeBSD 5.4  |      | |  |            |                       |
1941.35Srpaulo |           |        |      | |  |        OpenBSD 3.7                 |
1951.35Srpaulo |           |        |      | | NetBSD 2.0.3  |                       |
1961.35Srpaulo |           |        |      | |  |            |                       |
1971.35Srpaulo *--FreeBSD  |        |      | |  v        OpenBSD 3.8                 |
1981.35Srpaulo |    6.0    |        |      | |               |                       |
1991.35Srpaulo |     |     |        |      |  \              |                       |
2001.35Srpaulo |     |     |        |      | NetBSD 2.1      |                       |
2011.35Srpaulo |     |     |        |      |                 |                       |
2021.35Srpaulo |     |     |        |   NetBSD 3.0           |                       |
2031.59Ssevan |     |     |        |      | |  |            |               DragonFly 1.4.0
2041.38Srpaulo |     |     |        |      | |  |        OpenBSD 3.9                 |
2051.38Srpaulo |  FreeBSD  |        |      | |  |            |                       |
2061.38Srpaulo |    6.1    |        |      | |  |            |                       |
2071.38Srpaulo |     |  FreeBSD 5.5 |      | |  |            |                       |
2081.59Ssevan |     |              |      | | NetBSD 3.0.1  |               DragonFly 1.6.0
2091.38Srpaulo |     |              |      | |  |            |                       |
2101.39Srpaulo |     |              |      | |  |        OpenBSD 4.0                 |
2111.39Srpaulo |     |              |      | | NetBSD 3.0.2  |                       |
2121.39Srpaulo |     |              |      | NetBSD 3.1      |                       |
2131.39Srpaulo | FreeBSD 6.2        |      |                 |                       |
2141.59Ssevan |     |              |      |                 |               DragonFly 1.8.0
2151.40Sxtraeme |     |              |      |             OpenBSD 4.1                 |
2161.59Ssevan |     |              |      |                 |               DragonFly 1.10.0
2171.42Shubertf |     |           Mac OS X  |                 |                       |
2181.42Shubertf |     |             10.5    |                 |                       |
2191.40Sxtraeme |     |              |      |             OpenBSD 4.2                 |
2201.42Shubertf |     |              |   NetBSD 4.0           |                       |
2211.47Sriz | FreeBSD 6.3        |      |    |            |                       |
2221.47Sriz |            \       |      |    |            |                       |
2231.59Ssevan *--FreeBSD    |      |      |    |            |               DragonFly 1.12.0
2241.47Sriz |    7.0      |      |      |    |            |                       |
2251.47Sriz |     |       |      |      |    |        OpenBSD 4.3                 |
2261.59Ssevan |     |       |      |      | NetBSD          |               DragonFly 2.0.0
2271.50Sapb |     |    FreeBSD   |      |  4.0.1      OpenBSD 4.4                 |
2281.42Shubertf |     |      6.4     |      |                 |                       |
2291.42Shubertf |     |              |      |                 |                       |
2301.42Shubertf |  FreeBSD 7.1       |      |                 |                       |
2311.59Ssevan |     |              |      |                 |               DragonFly 2.2.0
2321.43Shubertf |  FreeBSD 7.2       |   NetBSD 5.0       OpenBSD 4.5                 |
2331.47Sriz |             \      |      | |    \          |                       |
2341.47Sriz |              |  Mac OS X  | |     \         |                       |
2351.47Sriz |              |    10.6    | |      \        |                       |
2361.59Ssevan |              |     |      | |   NetBSD      |               DragonFly 2.4.0
2371.47Sriz |              |     |      | |    5.0.1  OpenBSD 4.6                 |
2381.47Sriz |              |     |      | |       |       |                       |
2391.47Sriz *--FreeBSD     |     |      | |       |       |                       |
2401.47Sriz |    8.0       |     |      | |       |       |                       |
2411.47Sriz |     |     FreeBSD  |      | |   NetBSD      |                       |
2421.59Ssevan |     |       7.3    |      | |    5.0.2      |               DragonFly 2.6.0
2431.47Sriz |     |        |     |      | |           OpenBSD 4.7                 |
2441.47Sriz |  FreeBSD     |     |      | |               |                       |
2451.47Sriz |    8.1       |     |      | |               |                       |
2461.59Ssevan |     |        |     |      | |               |               DragonFly 2.8.2
2471.50Sapb |     |        |     |      | |           OpenBSD 4.8                 |
2481.50Sapb |     |        |     |      | *--NetBSD       |                       |
2491.50Sapb |  FreeBSD  FreeBSD  |      | |    5.1        |                       |
2501.50Sapb |    8.2      7.4    |      | |      |        |               DragonFly 2.10.1
2511.50Sapb |     |              |      | |      |    OpenBSD 4.9                 |
2521.50Sapb |     `-----.     Mac OS X  | |      |        |                       |
2531.50Sapb |            \      10.7    | |      |        |                       |
2541.50Sapb |             |      |      | |      |    OpenBSD 5.0                 |
2551.50Sapb *--FreeBSD    |      |      | |      |        |                       |
2561.50Sapb |    9.0      |      |      | |   NetBSD      |               DragonFly 3.0.1
2571.50Sapb |     |    FreeBSD   |      | |    5.1.2      |                       |
2581.53Sriz |     |      8.3     |      | |      |        |                       |
2591.53Sriz |     |       |      |      | |   NetBSD      |                       |
2601.53Sriz |     |       |      |      | |    5.1.3      |                       |
2611.56Smsaitoh |     |       |      |      | |      |        |                       |
2621.56Smsaitoh |     |       |      |      | |   NetBSD      |                       |
2631.56Smsaitoh |     |       |      |      | |    5.1.4      |                       |
2641.53Sriz |     |       |      |      | |           OpenBSD 5.1                 |
2651.51Sapb |     |       |   Mac OS X  | `----.          |                       |
2661.51Sapb |     |       |     10.8    |       \         |                       |
2671.51Sapb |     |       |      |   NetBSD 6.0  |        |                       |
2681.51Sapb |     |       |      |      | | |    |    OpenBSD 5.2         DragonFly 3.2.1
2691.51Sapb |  FreeBSD    |      |      | | | NetBSD      |                       |
2701.51Sapb |    9.1      |      |      | | |   5.2       |                       |
2711.56Smsaitoh |     |       |      |      | | |    |        |                       |
2721.56Smsaitoh |     |       |      |      | | | NetBSD      |                       |
2731.56Smsaitoh |     |       |      |      | | |  5.2.1      |                       |
2741.56Smsaitoh |     |       |      |      | | |    |        |                       |
2751.56Smsaitoh |     |       |      |      | | | NetBSD      |                       |
2761.56Smsaitoh |     |       |      |      | | |  5.2.2      |                       |
2771.56Smsaitoh |     |       |      |      | | |             |                       |
2781.56Smsaitoh |     |       |      |      | |  \            |                       |
2791.56Smsaitoh |     |       |      |      | |   NetBSD      |                       |
2801.56Smsaitoh |     |       |      |      | |    6.0.1      |                       |
2811.56Smsaitoh |     |       |      |      | |      |   OpenBSD 5.3          DragonFly 3.4.1
2821.56Smsaitoh |     |       |      |      | |   NetBSD      |                       |
2831.56Smsaitoh |     |       |      |      | |    6.0.2      |                       |
2841.59Ssevan |     |       |      |      | |      |        |                       |
2851.57Ssevan |     |       |      |      | |   NetBSD      |                       |
2861.57Ssevan |     |       |      |      | |    6.0.3      |                       |
2871.56Smsaitoh |     |       |      |      | |      |        |                       |
2881.57Ssevan |     |       |      |      | |   NetBSD      |                       |
2891.57Ssevan |     |       |      |      | |    6.0.4      |                       |
2901.56Smsaitoh |     |       |      |      | |      |        |                       |
2911.57Ssevan |     |       |      |      | |   NetBSD      |                       |
2921.57Ssevan |     |       |      |      | |    6.0.5      |                       |
2931.65Seadler |     |       |      |      | |      |        |                       |
2941.65Seadler |     |       |      |      | |   NetBSD      |                       |
2951.65Seadler |     |       |      |      | |    6.0.6      |                       |
2961.56Smsaitoh |     |       |      |      | |               |                       |
2971.57Ssevan |     |       |      |      | |`-NetBSD 6.1   |                       |
2981.56Smsaitoh |     |    FreeBSD   |      |       |         |                       |
2991.56Smsaitoh |     |      8.4     |      |    NetBSD 6.1.1 |                       |
3001.56Smsaitoh |     |              |      |       |         |                       |
3011.56Smsaitoh |  FreeBSD           |      |    NetBSD 6.1.2 |                       |
3021.56Smsaitoh |    9.2          Mac OS X  |       |         |                       |
3031.57Ssevan |     |             10.9    |       |    OpenBSD 5.4                  |
3041.57Ssevan |     `-----.        |      |       |         |               DragonFly 3.6.0
3051.57Ssevan |            \       |      |       |         |                       |
3061.57Ssevan *--FreeBSD    |      |      |    NetBSD 6.1.3 |                       |
3071.57Ssevan |   10.0      |      |      |       |         |                       |
3081.57Ssevan |     |       |      |      |       |         |               DragonFly 3.6.1
3091.57Ssevan |     |       |      |      |       |         |                       |
3101.57Ssevan |     |       |      |      |       |         |                       |
3111.57Ssevan |     |       |      |      |       |         |               DragonFly 3.6.2
3121.57Ssevan |     |       |      |      |    NetBSD 6.1.4 |                       |
3131.57Ssevan |     |       |      |      |       |         |                       |
3141.57Ssevan |     |       |      |      |       |    OpenBSD 5.5                  |
3151.57Ssevan |     |       |      |      |       |         |                       |
3161.57Ssevan |     |       |      |      |       |         |               DragonFly 3.8.0
3171.57Ssevan |     |       |      |      |       |         |                       |
3181.57Ssevan |     |       |      |      |       |         |                       |
3191.57Ssevan |     |       |      |      |       |         |               DragonFly 3.8.1
3201.57Ssevan |     |       |      |      |       |         |                       |
3211.57Ssevan |     |       |      |      |       |         |                       |
3221.57Ssevan |     |       |      |      |       |         |               DragonFly 3.6.3
3231.57Ssevan |     |       |      |      |       |         |                       |
3241.57Ssevan |     |    FreeBSD   |      |       |         |                       |
3251.57Ssevan |     |      9.3     |      |       |         |                       |
3261.57Ssevan |     |              |      |    NetBSD 6.1.5 |               DragonFly 3.8.2
3271.57Ssevan |     |           Mac OS X  |                 |                       |
3281.57Ssevan |     |             10.10   |                 |                       |
3291.57Ssevan |     |              |      |            OpenBSD 5.6                  |
3301.57Ssevan |  FreeBSD           |      |                 |                       |
3311.57Ssevan |   10.1             |      |                 |               DragonFly 4.0.1
3321.57Ssevan |     |              |      |                 |                       |
3331.57Ssevan |     |              |      |                 |               DragonFly 4.0.2
3341.57Ssevan |     |              |      |                 |                       |
3351.57Ssevan |     |              |      |                 |               DragonFly 4.0.3
3361.57Ssevan |     |              |      |                 |                       |
3371.57Ssevan |     |              |      |                 |               DragonFly 4.0.4
3381.57Ssevan |     |              |      |                 |                       |
3391.57Ssevan |     |              |      |                 |               DragonFly 4.0.5
3401.57Ssevan |     |              |      |                 |                       |
3411.57Ssevan |     |              |      |            OpenBSD 5.7                  |
3421.57Ssevan |     |              |      |                 |               DragonFly 4.2.0
3431.57Ssevan |  FreeBSD           |      |                 |                       |
3441.57Ssevan |   10.2             |      |                 |                       |
3451.62Smaya |     |            macOS  NetBSD 7.0          |                       |
3461.62Smaya |     |            10.11   | | |         OpenBSD 5.8                  |
3471.62Smaya |     |              |     | | `--.           |               DragonFly 4.4.1
3481.62Smaya |  FreeBSD           |     | |    |      OpenBSD 5.9                  |
3491.62Smaya |   10.3             |     | |    |           |                       |
3501.62Smaya |     |              |     | | NetBSD 7.0.1   |                       |
3511.62Smaya |     `------.       |     | |    |           |               DragonFly 4.6.0
3521.62Smaya |            |       |     | |    |           |                       |
3531.62Smaya |            |       |     | |    |           |                       |
3541.62Smaya *--FreeBSD   |     macOS   | |    |      OpenBSD 6.0                  |
3551.62Smaya |   11.0     |     10.12   | | NetBSD 7.0.2   |                       |
3561.62Smaya |     |      |       |     | |                |                       |
3571.62Smaya |     |      |       |     | *- NetBSD 7.1    |                       |
3581.65Seadler |     |      |       |     |      |           |                       |
3591.65Seadler |     |      |       |     |      |           |                       |
3601.65Seadler |     |      |     macOS   |      |           |               DragonFly 4.8.0
3611.65Seadler |     |      |     10.13   |      |      OpenBSD 6.1                  |
3621.65Seadler |  FreeBSD   |       |     |      |           |               DragonFly 5.0.0
3631.65Seadler |   11.1  FreeBSD    |     |      |           |                       |
3641.65Seadler |     |    10.4      |     |      |      OpenBSD 6.2          DragonFly 5.0.1
3651.65Seadler |     |              |     |      |           |                       |
3661.65Seadler |     |              |     |  NetBSD 7.1.1    |               DragonFly 5.0.2
3671.65Seadler |     |              |     |      |           |                       |
3681.65Seadler |     |              |     |  NetBSD 7.1.2    |                       |
3691.65Seadler |     |              |     |      |           |                       |
3701.66Seadler |     |              |     |      |      OpenBSD 6.3                  |
3711.66Seadler |     |              |     |      |           |               DragonFly 5.2.0
3721.65Seadler |     |              |     |      v           |                       |
3731.64Ssevan |     v              |     |                  |                       |
3741.63Sriastrad |                    |     |                  |                       |
3751.62SmayaFreeBSD 12 -current   | NetBSD -current   OpenBSD -current    DragonFly -current
3761.62Smaya |                    |     |                  |                       |
3771.62Smaya v                    v     v                  v                       v
3781.1Sabs
3791.1SabsTime
3801.1Sabs----------------
3811.1Sabs
3821.7SitojunTime tolerance +/- 6 months, depending on which book/article you read; if it
3831.7Sitojunwas the announcement in Usenet or if it was available as tape.
3841.1Sabs
3851.1Sabs[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
3861.1Sabs	and John Quarterman. The Design and Implementation of
3871.1Sabs	the 4.4BSD Operating System.
3881.60Smaya[APL] Apple website [https://www.apple.com/macosx/]
3891.17Sjunyoung[BSDI] Berkeley Software Design, Inc.
3901.24Ssoda[DFB] DragonFlyBSD Project, The.
3911.1Sabs[DOC] README, COPYRIGHT on tape.
3921.17Sjunyoung[FBD] FreeBSD Project, The.
3931.1Sabs[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
3941.1Sabs	Volume 11, Info 4, April, 1987.
3951.1Sabs[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
3961.1Sabs	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
3971.17Sjunyoung[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
3981.17Sjunyoung	Changes in the Kernel in 2.9BSD. Second Berkeley Software
3991.17Sjunyoung	Distribution UNIX Version 2.9, July, 1983.
4001.1Sabs[NBD] NetBSD Project, The.
4011.1Sabs[OBD] OpenBSD Project, The.
4021.17Sjunyoung[QCU] Salus, Peter H. A quarter century of UNIX.
4031.17Sjunyoung[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
4041.43Shubertf[TUHS] The Unix Historical Society.  http://minnie.tuhs.org/Unix_History/.
4051.17Sjunyoung[USE] Usenet announcement.
4061.17Sjunyoung[WRS] Wind River Systems, Inc.
4071.1Sabs[dmr] Dennis Ritchie, via E-Mail
4081.1Sabs
4091.1SabsMultics                 1965
4101.6SitojunUNIX                    Summer 1969
4111.1Sabs				DEC PDP-7
4121.1SabsFirst   Edition         1971-11-03 [QCU]
4131.1Sabs				DEC PDP-11/20, Assembler
4141.1SabsSecond  Edition         1972-06-12 [QCU]
4151.6Sitojun				10 UNIX installations
4161.1SabsThird   Edition         1973-02-xx [QCU]
4171.1Sabs				Pipes, 16 installations
4181.1SabsFourth  Edition         1973-11-xx [QCU]
4191.1Sabs				rewriting in C effected,
4201.1Sabs                                above 30 installations
4211.1SabsFifth   Edition         1974-06-xx [QCU]
4221.1Sabs				above 50 installations
4231.1SabsSixth   Edition         1975-05-xx [QCU]
4241.1Sabs				port to DEC Vax
4251.60SmayaSeventh Edition         1979-01-xx [QCU] 1979-01-10 [TUHS]
4261.6Sitojun				first portable UNIX
4271.6SitojunEighth  Edition         1985-02-xx [QCU]
4281.1Sabs				VAX 11/750, VAX 11/780 [dmr]
4291.1Sabs				descended from 4.1c BSD [dmr]
4301.1Sabs				descended from 4.1 BSD [44B]
4311.7Sitojun			scooping-out and replacement of the character-device
4321.1Sabs			and networking part by the streams mechanism
4331.1Sabs
4341.1SabsNinth   Edition         1986-09-xx [QCU]
4351.1SabsTenth   Edition         1989-10-xx [QCU]
4361.1Sabs
4371.1Sabs1BSD                    late 1977
4381.1Sabs			1978-03-09 [QCU]
4391.1Sabs				PDP-11, Pascal, ex(1)
4401.1Sabs				30 free copies of 1BSD sent out
4411.1Sabs				35 tapes sold for 50 USD [QCU]
4421.43Shubertf2BSD                    mid 1978 [QCU] 1979-05-10 [TUHS]
4431.1Sabs				75 2BSD tapes shipped
4441.43Shubertf2.79BSD			1980-04-xx [TUHS]
4451.1Sabs2.8BSD			1981-07-xx [KSJ]
4461.1Sabs
4471.1Sabs2.8.1BSD		1982-01-xx [QCU]
4481.1Sabs				set of performance improvements
4491.1Sabs2.9BSD			1983-07-xx [KSJ]
4501.43Shubertf2.9.1BSD                1983-11-xx [TUHS]
4511.1Sabs2.9BSD-Seismo		1985-08-xx [SMS]
4521.1Sabs2.10BSD			1987-04-xx [KKK]
4531.1Sabs2.10.1BSD		1989-01-xx [SMS]
4541.1Sabs2.11BSD			1992-02-xx [SMS]
4551.6Sitojun2.11BSD rev #430	1999-12-13 [SMS]
4561.1Sabs
4571.60Smaya32V			1978-1[01]-xx [QCU] 1979-03-26 [TUHS]
4581.43Shubertf3BSD                    late 1979 [QCU] March 1980 [TUHS]
4591.1Sabs				virtual memory, page replacement,
4601.1Sabs                        	demand paging
4611.1Sabs4.0BSD                  1980-10-xx
4621.13Sjunyoung4.1BSD                  1981-07-08 [DOC]
4631.1Sabs4.1aBSD                 1982-04-xx
4641.1Sabs				alpha release, 100 sites, networking [44B]
4651.1Sabs4.1bBSD				internal release, fast filesystem [44B]
4661.1Sabs4.1cBSD                 late 1982
4671.1Sabs				beta release, IPC [44B]
4681.1Sabs4.2BSD                  1983-09-xx [QCU]
4691.13Sjunyoung                        1983-08-03 [DOC]
4701.1Sabs4.3BSD                  1986-06-xx [QCU]
4711.13Sjunyoung			1986-04-05 [KB], [DOC]
4721.13Sjunyoung4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
4731.1Sabs4.3BSD NET/1            1988-11-xx [QCU]
4741.13Sjunyoung                        1989-01-01 [DOC]
4751.13Sjunyoung4.3BSD Reno             1990-06-29 [QCU], [DOC]
4761.13Sjunyoung4.3BSD NET/2            1991-06-28 [QCU], [DOC]
4771.7Sitojun
4781.7SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
4791.7Sitojun				first code released to people outside BSDI
4801.1Sabs386BSD 0.0              1992-02-xx [DOC]
4811.7SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
4821.7SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
4831.7Sitojun386BSD 0.1              1992-07-28 [DOC]
4841.1Sabs4.4BSD Alpha            1992-07-07
4851.7SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
4861.7Sitojun				first external gamma; G customers
4871.7SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
4881.7Sitojun				would have been 1.0 except for request
4891.7Sitojun				for preliminary injunction
4901.7SitojunBSD/386 1.0 		1993-03-xx [BSDI]
4911.7Sitojun				injunction denied; first official release
4921.6SitojunNetBSD 0.8              1993-04-20 [NBD]
4931.1Sabs4.4BSD                  1993-06-01 [USE]
4941.1SabsNetBSD 0.9              1993-08-23 [NBD]
4951.8SitojunFreeBSD 1.0		1993-11-01 [FBD]
4961.40SxtraemeFreeBSD 1.0.2		1993-11-14 [FBD]
4971.40Sxtraeme				supersedes 1.0 13 days after release.
4981.7SitojunBSD/386 1.1		1994-02-xx [BSDI]
4991.1Sabs4.4BSD Lite             1994-03-01 [USE]
5001.24SsodaFreeBSD 1.1		1994-05-07 [FBD]
5011.24SsodaFreeBSD 1.1.5		1994-06-30 [FBD]
5021.24SsodaFreeBSD 1.1.5.1		1994-07-05 [FBD]
5031.24Ssoda				supersedes 1.1.5 5 days after release.
5041.6SitojunNetBSD 1.0              1994-10-26 [NBD]
5051.1Sabs386BSD 1.0              1994-11-12 [USE]
5061.24SsodaFreeBSD 2.0		1994-11-23 [FBD]
5071.7SitojunBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
5081.7SitojunFreeBSD 2.0.5		1995-06-10 [FBD]
5091.7SitojunBSD/OS 2.0.1		1995-06-xx [BSDI]
5101.6Sitojun4.4BSD Lite Release 2	1995-06-xx [44B]
5111.6Sitojun				the true final distribution from the CSRG
5121.7SitojunFreeBSD 2.1.0		1995-11-19 [FBD]
5131.1SabsNetBSD 1.1              1995-11-26 [NBD]
5141.7SitojunBSD/OS 2.1		1996-01-xx [BSDI]
5151.7SitojunFreeBSD 2.1.5		1996-07-14 [FBD]
5161.1SabsNetBSD 1.2              1996-10-04 [NBD]
5171.1SabsOpenBSD 2.0             1996-10-18 [OBD]
5181.7SitojunFreeBSD 2.1.6		1996-11-16 [FBD]
5191.7SitojunFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
5201.11SitojunRhapsody		1997-xx-xx
5211.7SitojunFreeBSD 2.1.7		1997-02-20 [FBD]
5221.7SitojunBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
5231.7SitojunFreeBSD 2.2.0		1997-03-16 [FBD]
5241.7SitojunFreeBSD 2.2.1		1997-03-25 [FBD]
5251.7SitojunFreeBSD 2.2.2		1997-05-16 [FBD]
5261.6SitojunNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
5271.1SabsOpenBSD 2.1             1997-06-01 [OBD]
5281.7SitojunFreeBSD 2.2.5		1997-10-22 [FBD]
5291.1SabsOpenBSD 2.2             1997-12-01 [OBD]
5301.5SabsNetBSD 1.3              1998-01-04 [NBD]
5311.7SitojunFreeBSD 2.2.6		1998-03-25 [FBD]
5321.6SitojunNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
5331.7SitojunBSD/OS 3.1		1998-03-xx [BSDI]
5341.1SabsOpenBSD 2.3             1998-05-19 [OBD]
5351.6SitojunNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
5361.7SitojunFreeBSD 2.2.7		1998-07-22 [FBD]
5371.7SitojunBSD/OS 4.0		1998-08-xx [BSDI]
5381.7Sitojun				2-lock MP support, ELF executables
5391.6SitojunFreeBSD 3.0		1998-10-16 [FBD]
5401.7Sitojun				FreeBSD-3.0 is a snapshot from -current,
5411.7Sitojun				while 3.1 and 3.2 are from 3.x-stable which
5421.6Sitojun				was branched quite some time after 3.0-release
5431.1SabsFreeBSD 2.2.8           1998-11-29 [FBD]
5441.1SabsOpenBSD 2.4             1998-12-01 [OBD]
5451.6SitojunNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
5461.6SitojunFreeBSD 3.1		1999-02-15 [FBD]
5471.7SitojunBSD/OS 4.0.1		1999-03-xx [BSDI]
5481.4SabsNetBSD 1.4              1999-05-12 [NBD]
5491.6SitojunFreeBSD 3.2             1999-05-17 [FBD]
5501.4SabsOpenBSD 2.5             1999-05-19 [OBD]
5511.6SitojunNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
5521.6SitojunFreeBSD 3.3             1999-09-17 [FBD]
5531.6SitojunOpenBSD 2.6             1999-12-01 [OBD]
5541.6SitojunFreeBSD 3.4             1999-12-20 [FBD]
5551.7SitojunBSD/OS 4.1		1999-12-xx [BSDI]
5561.6SitojunFreeBSD 4.0             2000-03-13 [FBD]
5571.6SitojunNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
5581.6SitojunOpenBSD 2.7             2000-06-15 [OBD]
5591.6SitojunFreeBSD 3.5		2000-06-24 [FBD]
5601.6SitojunFreeBSD 4.1		2000-07-27 [FBD]
5611.6SitojunFreeBSD 3.5.1		2000-07-28 [FBD]
5621.6SitojunFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
5631.7SitojunFreeBSD 4.2  		2000-11-21 [FBD]
5641.7SitojunNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
5651.7SitojunBSD/OS 4.2		2000-11-29 [BSDI]
5661.7SitojunOpenBSD 2.8		2000-12-01 [OBD]
5671.7SitojunNetBSD 1.5              2000-12-06 [NBD]
5681.11SitojunMac OS X 10.0           2001-03-24 [APL]
5691.8SitojunFreeBSD 4.3  		2001-04-20 [FBD]
5701.8SitojunOpenBSD 2.9  		2001-06-01 [OBD]
5711.11SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
5721.11SitojunNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
5731.11SitojunFreeBSD 4.4  		2001-09-18 [FBD]
5741.17SjunyoungMac OS X 10.1		2001-09-29 [APL]
5751.13SjunyoungOpenBSD 3.0		2001-12-01 [OBD]
5761.13SjunyoungFreeBSD 4.5  		2002-01-29 [FBD]
5771.17SjunyoungBSD/OS 4.3		2002-03-14 [WRS]
5781.17SjunyoungOpenBSD 3.1		2002-05-19 [OBD]
5791.17SjunyoungFreeBSD 4.6  		2002-06-15 [FBD]
5801.14SjunyoungNetBSD 1.5.3		2002-07-22 [NBD] (patch release)
5811.17SjunyoungFreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
5821.17SjunyoungMac OS X 10.2		2002-08-23 [APL]
5831.17SjunyoungNetBSD 1.6		2002-09-14 [NBD]
5841.17SjunyoungFreeBSD 4.7		2002-10-08 [FBD]
5851.19SwizOpenBSD 3.2		2002-11-01 [OBD]
5861.20SitojunFreeBSD 5.0		2003-01-17 [FBD]
5871.20Sitojun				FreeBSD 5.0 is a separate branch off of
5881.20Sitojun				-current, similar to 3.0.
5891.20SitojunFreeBSD 4.8		2003-04-03 [FBD]
5901.20SitojunNetBSD 1.6.1		2003-04-21 [NBD] (patch release)
5911.20SitojunOpenBSD 3.3		2003-05-01 [OBD]
5921.21ScjepBSD/OS 5.0		2003-05-?? [WRS]
5931.21ScjepFreeBSD 5.1		2003-06-09 [FBD]
5941.23SpeterMac OS X 10.3		2003-10-24 [APL]
5951.23SpeterFreeBSD 4.9		2003-10-28 [FBD]
5961.23SpeterBSD/OS 5.1 ISE		2003-10-?? [WRS] (final version)
5971.23SpeterOpenBSD 3.4		2003-11-01 [OBD]
5981.23SpeterFreeBSD 5.2		2004-01-12 [FBD]
5991.23SpeterFreeBSD 5.2.1		2004-02-22 [FBD] (patch release)
6001.23SpeterNetBSD 1.6.2		2004-03-01 [NBD] (patch release)
6011.23SpeterOpenBSD 3.5		2004-04-01 [OBD]
6021.23SpeterFreeBSD 4.10		2004-05-27 [FBD]
6031.24SsodaDragonFly 1.0		2004-07-12 [DFB]
6041.23SpeterOpenBSD 3.6		2004-10-29 [OBD]
6051.23SpeterFreeBSD 5.3		2004-11-06 [FBD]
6061.23SpeterNetBSD 2.0		2004-12-09 [NBD]
6071.23SpeterFreeBSD 4.11		2005-01-25 [FBD]
6081.24SsodaDragonFly 1.2.0		2005-04-08 [DFB]
6091.26SsodaNetBSD 2.0.2		2005-04-14 [NBD] (security/critical release)
6101.24SsodaMac OS X 10.4		2005-04-29 [APL]
6111.24SsodaFreeBSD 5.4		2005-05-09 [FBD]
6121.24SsodaOpenBSD 3.7		2005-05-19 [OBD]
6131.28SrpauloNetBSD 2.0.3		2005-10-31 [NBD] (security/critical release)
6141.27SrpauloOpenBSD 3.8		2005-11-01 [OBD]
6151.29SrpauloFreeBSD 6.0		2005-11-01 [FBD]
6161.28SrpauloNetBSD 2.1		2005-11-02 [NBD]
6171.30SrpauloNetBSD 3.0		2005-12-23 [NBD]
6181.30SrpauloDragonFly 1.4.0		2006-01-08 [DFB]
6191.57SsevanFreeBSD 2.2.9		2006-04-01 [FBD]
6201.34SrpauloOpenBSD 3.9		2006-05-01 [OBD]
6211.35SrpauloFreeBSD 6.1		2006-05-08 [FBD]
6221.35SrpauloFreeBSD 5.5		2006-05-25 [FBD]
6231.36SrpauloNetBSD 3.0.1		2006-07-24 [NBD] (security/critical release)
6241.37SrpauloDragonFly 1.6.0		2006-07-24 [DFB]
6251.38SrpauloOpenBSD 4.0		2006-11-01 [OBD]
6261.38SrpauloNetBSD 3.0.2		2006-11-04 [NBD] (security/critical release)
6271.38SrpauloNetBSD 3.1		2006-11-04 [NBD]
6281.39SrpauloFreeBSD 6.2		2007-01-15 [FBD]
6291.39SrpauloDragonFly 1.8.0		2007-01-30 [DFB]
6301.40SxtraemeOpenBSD 4.1		2007-05-01 [OBD]
6311.40SxtraemeDragonFly 1.10.0	2007-08-06 [DFB]
6321.42ShubertfMac OS X 10.5		2007-10-26 [APL]
6331.40SxtraemeOpenBSD 4.2		2007-11-01 [OBD]
6341.42ShubertfNetBSD 4.0		2007-12-19 [NBD]
6351.42ShubertfFreeBSD 6.3		2008-01-18 [FBD]
6361.42ShubertfDragonFly 1.12.0	2008-02-26 [DFB]
6371.42ShubertfFreeBSD 7.0		2008-02-27 [FBD]
6381.42ShubertfOpenBSD 4.3		2008-05-01 [OBD]
6391.42ShubertfDragonFly 2.0.0		2008-07-21 [DFB]
6401.42ShubertfOpenBSD 4.4		2008-11-01 [OBD]
6411.42ShubertfFreeBSD 6.4		2008-11-28 [FBD]
6421.42ShubertfFreeBSD 7.1		2009-01-04 [FBD]
6431.43ShubertfDragonFly 2.2.0		2009-02-17 [DFB]
6441.43ShubertfNetBSD 5.0		2009-04-29 [NBD]
6451.43ShubertfOpenBSD 4.5		2009-05-01 [OBD]
6461.43ShubertfFreeBSD 7.2		2009-05-04 [FBD]
6471.43ShubertfMac OS X 10.6		2009-06-08 [APL]
6481.47SrizNetBSD 5.0.1		2009-08-02 [NBD] (security/critical release)
6491.43ShubertfDragonFly 2.4.0		2009-09-16 [DFB]
6501.43ShubertfOpenBSD 4.6		2009-10-18 [OBD]
6511.43ShubertfFreeBSD 8.0		2009-11-26 [FBD]
6521.47SrizNetBSD 5.0.2		2010-02-12 [NBD] (security/critical release)
6531.43ShubertfFreeBSD 7.3		2010-03-23 [FBD]
6541.43ShubertfDragonFly 2.6.0		2010-03-28 [DFB]
6551.43ShubertfOpenBSD 4.7		2010-05-19 [OBD]
6561.43ShubertfFreeBSD 8.1		2010-07-24 [FBD]
6571.43ShubertfDragonFly 2.8.2		2010-10-30 [DFB]
6581.43ShubertfOpenBSD 4.8		2010-11-01 [OBD]
6591.43ShubertfNetBSD 5.1		2010-11-19 [NBD]
6601.43ShubertfFreeBSD 7.4		2011-02-24 [FBD]
6611.43ShubertfFreeBSD 8.2		2011-02-24 [FBD]
6621.43ShubertfDragonFly 2.10.1	2011-04-26 [DFB]
6631.43ShubertfOpenBSD 4.9		2011-05-01 [OBD]
6641.43ShubertfMac OS X 10.7		2011-07-20 [APL]
6651.43ShubertfOpenBSD 5.0		2011-11-01 [OBD]
6661.43ShubertfFreeBSD 9.0		2012-01-12 [FBD]
6671.47SrizNetBSD 5.1.2		2012-02-02 [NBD] (security/critical release)
6681.44SryoonDragonFly 3.0.1		2012-02-21 [DFB]
6691.45SjnemethFreeBSD 8.3		2012-04-18 [FBD]
6701.45SjnemethOpenBSD 5.1		2012-05-01 [OBD]
6711.45SjnemethMac OS X 10.8		2012-07-25 [APL]
6721.45SjnemethNetBSD 6.0		2012-10-17 [NBD]
6731.48SapbOpenBSD 5.2		2012-11-01 [OBD]
6741.48SapbDragonFly 3.2.1		2012-11-02 [DFB]
6751.49SrizNetBSD 5.2		2012-12-03 [NBD]
6761.49SrizNetBSD 6.0.1		2012-12-26 [NBD] (security/critical release)
6771.48SapbFreeBSD 9.1		2012-12-30 [FBD]
6781.48SapbDragonFly 3.4.1		2013-04-29 [DFB]
6791.48SapbOpenBSD 5.3		2013-05-01 [OBD]
6801.49SrizNetBSD 6.0.2		2013-05-18 [NBD] (security/critical release)
6811.49SrizNetBSD 6.1		2013-05-18 [NBD]
6821.52SapbFreeBSD 8.4		2013-06-07 [FBD]
6831.54SrizNetBSD 6.1.1		2013-08-22 [NBD]
6841.53SrizNetBSD 5.1.3		2013-09-29 [NBD]
6851.53SrizNetBSD 5.2.1		2013-09-29 [NBD]
6861.56SmsaitohFreeBSD 9.2		2013-09-30 [FBD]
6871.54SrizNetBSD 6.0.3		2013-09-30 [NBD]
6881.54SrizNetBSD 6.1.2		2013-09-30 [NBD]
6891.56SmsaitohMac OS X 10.9		2013-10-22 [APL]
6901.56SmsaitohOpenBSD 5.4		2013-11-01 [OBD]
6911.56SmsaitohDragonFly 3.6.0 	2013-11-25 [DFB]
6921.56SmsaitohFreeBSD 10.0		2014-01-20 [FBD]
6931.56SmsaitohNetBSD 5.1.4		2014-01-25 [NBD]
6941.56SmsaitohNetBSD 5.2.2		2014-01-25 [NBD]
6951.55SmsaitohNetBSD 6.0.4		2014-01-25 [NBD]
6961.55SmsaitohNetBSD 6.1.3		2014-01-25 [NBD]
6971.56SmsaitohDragonFly 3.6.1 	2014-02-22 [DFB]
6981.57SsevanDragonFly 3.6.2		2014-04-10 [DFB]
6991.65SeadlerNetBSD 6.0.5		2014-04-12 [NBD]
7001.65SeadlerNetBSD 6.1.4		2014-04-12 [NBD]
7011.56SmsaitohOpenBSD 5.5		2014-05-01 [OBD]
7021.57SsevanDragonFly 3.8.0		2014-06-04 [DFB]
7031.57SsevanDragonFly 3.8.1		2014-06-16 [DFB]
7041.57SsevanDragonFly 3.6.3		2014-06-17 [DFB]
7051.57SsevanFreeBSD 9.3		2014-07-05 [FBD]
7061.57SsevanDragonFly 3.8.2		2014-08-08 [DFB]
7071.65SeadlerNetBSD 6.0.6		2014-09-22 [NBD]
7081.57SsevanNetBSD 6.1.5		2014-09-22 [NBD]
7091.57SsevanMac OS X 10.10		2014-10-16 [APL]
7101.57SsevanOpenBSD 5.6		2014-11-01 [OBD]
7111.57SsevanFreeBSD 10.1		2014-11-14 [FBD]
7121.57SsevanDragonFly 4.0.1		2014-11-25 [DFB]
7131.57SsevanDragonFly 4.0.2		2015-01-07 [DFB]
7141.57SsevanDragonFly 4.0.3		2015-01-21 [DFB]
7151.57SsevanDragonFly 4.0.4		2015-03-09 [DFB]
7161.57SsevanDragonFly 4.0.5		2015-03-23 [DFB]
7171.57SsevanOpenBSD 5.7		2015-05-01 [OBD]
7181.57SsevanDragonFly 4.2.0		2015-06-29 [DFB]
7191.57SsevanFreeBSD 10.2            2015-08-13 [FBD]
7201.57SsevanNetBSD 7.0		2015-09-25 [NBD]
7211.57SsevanOS X 10.11		2015-09-30 [APL]
7221.57SsevanOpenBSD 5.8		2015-10-18 [OBD]
7231.57SsevanDragonFly 4.4.1		2015-12-07 [DFB]
7241.57SsevanOpenBSD 5.9		2016-03-29 [OBD]
7251.57SsevanFreeBSD 10.3		2016-04-04 [FBD]
7261.58SsevanNetBSD 7.0.1		2016-05-22 [NBD]
7271.57SsevanDragonFly 4.6.0		2016-08-02 [DFB]
7281.57SsevanOpenBSD 6.0		2016-09-01 [OBD]
7291.59SsevanmacOS 10.12		2016-09-20 [APL]
7301.65SeadlerFreeBSD 11.0		2016-10-10 [FBD]
7311.62SmayaNetBSD 7.0.2		2016-10-21 [NBD]
7321.59SsevanNetBSD 7.1		2017-03-11 [NBD]
7331.59SsevanDragonFly 4.8.0		2017-03-27 [DFB]
7341.60SmayaOpenBSD 6.1		2017-04-11 [OBD]
7351.60SmayaFreeBSD 11.1		2017-07-26 [FBD]
7361.60SmayamacOS 10.13		2017-09-25 [APL]
7371.60SmayaFreeBSD 10.4		2017-10-03 [FBD]
7381.60SmayaOpenBSD 6.2		2017-10-09 [OBD]
7391.60SmayaDragonFly 5.0.0		2017-10-16 [DFB]
7401.63SriastradDragonFly 5.0.1		2017-11-06 [DFB]
7411.63SriastradDragonFly 5.0.2		2017-12-04 [DFB]
7421.65SeadlerNetBSD 7.1.1		2017-12-22 [NBD]
7431.65SeadlerNetBSD 7.1.2		2018-03-15 [NBD]
7441.66SeadlerOpenBSD 6.3		2018-04-02 [OBD]
7451.66SeadlerDragonFly 5.2.0		2018-04-10 [DFB]
7461.1Sabs
7471.1SabsBibliography
7481.1Sabs------------------------
7491.1Sabs
7501.1SabsLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
7511.1SabsQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
7521.1SabsSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
7531.1Sabs
7541.1SabsSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
7551.1SabsCompany, Inc., 1994. ISBN 0-201-54777-5
7561.1Sabs
7571.1SabsMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
7581.1SabsQuarterman. The Design and Implementation of the 4.4BSD Operating
7591.1SabsSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
7601.1Sabs
7611.23SpeterMcKusick, Marshall Kirk, George Neville-Neil. The Design and
7621.23SpeterImplementation of the FreeBSD Operating System.
7631.23SpeterAddison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
7641.23Speter
7651.57SsevanMcKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The
7661.57SsevanDesign and Implementation of the FreeBSD Operating System, 2nd Edition.
7671.57SsevanPearson Education, Inc., 2014. ISBN 0-321-96897-2
7681.57Ssevan
7691.1SabsDoug McIlroy. Research Unix Reader.
7701.1Sabs
7711.1SabsMichael G. Brown. The Role of BSD in the Development of Unix.
7721.1SabsPresented to the Tasmanian Unix Special Interest Group of the
7731.1SabsAustralian Computer Society, Hobart, August 1993.
7741.1Sabs
7751.6SitojunPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
7761.24SsodaURL: http://www.byte.com/art/9410/sec8/art3.htm
7771.1Sabs
7781.43ShubertfAndreas Klemm, Lars Köller. If you're going to San Francisco ...
7791.1SabsDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
7801.1Sabs
7811.1SabsBSD Release Announcements collection.
7821.60SmayaURL: https://www.FreeBSD.org/releases/
7831.1Sabs
7841.1SabsBSD Hypertext Man Pages
7851.60SmayaURL: https://www.FreeBSD.org/cgi/man.cgi
7861.6Sitojun
7871.6SitojunUNIX history graphing project
7881.9SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
7891.6Sitojun
7901.6SitojunUNIX history
7911.17SjunyoungURL: http://www.levenez.com/unix/
7921.1Sabs
7931.8SitojunJames Howard: The BSD Family Tree
7941.32SrpauloURL: http://ezine.daemonnews.org/200104/bsd_family.html
7951.8Sitojun("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
7961.8Sitojun
7971.8Sitojun
7981.1SabsAcknowledgments
7991.1Sabs---------------
8001.1Sabs
8011.6SitojunJosh Gilliam for suggestions, bug fixes, and finding very old
8021.1Sabsoriginal BSD announcements from Usenet or tapes.
8031.1Sabs
8041.1SabsSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
8051.1Sabs
8061.1Sabs--
8071.43ShubertfCopyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG>
8081.56SmsaitohURL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree
8091.1Sabs
8101.66Seadler$FreeBSD: head/share/misc/bsd-family-tree 332425 2018-04-12 07:39:24Z maxim $
8111.66Seadler$NetBSD: bsd-family-tree,v 1.66 2018/04/13 14:31:35 eadler Exp $
812