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FreeBSD Unix的family tree


The UNIX system family tree: Research and BSD
---------------------------------------------
First Edition (V1)
|
Second Edition (V2)
|
Third Edition (V3)
|
Fourth Edition (V4)
|
Fifth Edition (V5)
|
Sixth Edition (V6) -----*
\ |
\ |
\ |
Seventh Edition (V7) |
\ |
\ 1BSD
32V |
\ 2BSD---------------*
\ / |
\ / |
\/ |
3BSD |
| |
4.0BSD 2.7.9BSD
| |
4.1BSD --------------> 2.8BSD
| |
4.1aBSD -----------\ |
| \ |
4.1bBSD \ |
| \ |
*------ 4.1cBSD --------------> 2.9BSD
/ | |
Eighth Edition | 2.9BSD-Seismo
| | |
+----<--- 4.2BSD 2.9.1BSD
| | |
+----<--- 4.3BSD -------------> 2.10BSD
| | / |
Ninth Edition | / 2.10.1BSD
| 4.3BSD Tahoe-----+ |
| | \ |
| | \ |
v | 2.11BSD
Tenth Edition | |
| 2.11BSD rev #430
4.3BSD NET/1 |
| v
4.3BSD Reno
|
*---------- 4.3BSD NET/2 -------------------+-------------*
| | | |
386BSD 0.0 | | BSD/386 ALPHA
| | | |
386BSD 0.1 ------------>+ | BSD/386 0.3.[13]
| \ | 4.4BSD Alpha |
| 386BSD 1.0 | | BSD/386 0.9.[34]
| | 4.4BSD |
| | / | |
| | 4.4BSD-Encumbered | |
| NetBSD 0.8 | BSD/386 1.0
| | | |
FreeBSD 1.0 NetBSD 0.9 | BSD/386 1.1
| | .----- 4.4BSD Lite |
FreeBSD 1.1 | / / | \ |
| | / / | \ |
FreeBSD 1.1.5 .---|--------' / | \ |
| / | / | \ |
FreeBSD 1.1.5.1 / | / | \ |
| / NetBSD 1.0 <-' | \ |
| / | | \ |
FreeBSD 2.0 <--' | | BSD/OS 2.0
| \ | |
FreeBSD 2.0.5 \ | BSD/OS 2.0.1
| .-----\------------- 4.4BSD Lite2 |
| | \ | | | | |
| | .-----|------Rhapsody | | | |
| | | | NetBSD 1.3 | | |
| | | | OpenBSD 2.3 | |
| | | | BSD/OS 3.0 |
FreeBSD 2.1 | | | |
| | | | NetBSD 1.1 ------. BSD/OS 2.1
| FreeBSD 2.1.5 | | | \ |
| | | | NetBSD 1.2 \ BSD/OS 3.0
| FreeBSD 2.1.6 | | | \ OpenBSD 2.0 |
| | | | | \ | |
| FreeBSD 2.1.6.1 | | | \ | |
| | | | | \ | |
| FreeBSD 2.1.7 | | | | | |
| | | | | NetBSD 1.2.1 | |
| FreeBSD 2.1.7.1 | | | | |
| | | | | |
| | | | | |
*-FreeBSD 2.2 | | | | |
| \ | | | | |
| FreeBSD 2.2.1 | | | | |
| | | | | | |
| FreeBSD 2.2.2 | | | OpenBSD 2.1 |
| | | | | | |
| FreeBSD 2.2.5 | | | | |
| | | | | OpenBSD 2.2 |
| | | | NetBSD 1.3 | |
| FreeBSD 2.2.6 | | | | | |
| | | | | NetBSD 1.3.1 | BSD/OS 3.1
| | | | | | OpenBSD 2.3 |
| | | | | NetBSD 1.3.2 | |
| FreeBSD 2.2.7 | | | | | |
| | | | | | | BSD/OS 4.0
| v | | | | | |
| FreeBSD 2.2.8 | | | | | |
| | | | | OpenBSD 2.4 |
FreeBSD 3.0 <--------* | | v | |
| | | NetBSD 1.3.3 | |
*---FreeBSD 3.1 | | | |
| | | | | BSD/OS 4.0.1
| FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 |
| | | | | | | | |
| | | | | | | | |
| | | | | | | | |
| FreeBSD 3.3 | | | | NetBSD 1.4.1 | |
| | | | | | | OpenBSD 2.6 |
| FreeBSD 3.4 | | | | | | |
| | | | | | | | BSD/OS 4.1
FreeBSD 4.0 | | | | | NetBSD 1.4.2 | |
| | | | | | | | |
| | | | | | | | |
| FreeBSD 3.5 | | | | | OpenBSD 2.7 |
| | | | | | | | |
| FreeBSD 3.5.1 | | | | | | |
| | | | | | | |
*---FreeBSD 4.1 | | | | | | |
| | | | (?) | | | |
| FreeBSD 4.1.1 | | / | | | |
| | | | / | | | |
| FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | |
| | Mac OS X | | OpenBSD 2.8 BSD/OS 4.2
| | | | v | |
| | | | | |
| | 10.0 NetBSD 1.5 | |
| FreeBSD 4.3 | | | | |
| | | | | OpenBSD 2.9 |
| | | | NetBSD 1.5.1 | |
| | | | | | |
| FreeBSD 4.4-. | | NetBSD 1.5.2 | |
| | | Mac OS X | | | |
| | | 10.1 | | OpenBSD 3.0 |
| FreeBSD 4.5 | | | | | |
| | \ | | | | BSD/OS 4.3
| FreeBSD 4.6 \ | | | OpenBSD 3.1 |
| | \ | | NetBSD 1.5.3 | |
| FreeBSD 4.6.2 Mac OS X | | | |
| | 10.2 | v | |
| FreeBSD 4.7 | | | |
| | | NetBSD 1.6 OpenBSD 3.2 |
| FreeBSD 4.8 | | | | |
| | | | NetBSD 1.6.1 | |
| v | | | OpenBSD 3.3 |
| | | v | |
FreeBSD 5.0 | | | |
| | | | BSD/OS 5.0
FreeBSD 5.1 | NetBSD -current OpenBSD -current |
| | | | v
FreeBSD 5 -current | | |
| | | |
v v v v
可見Mac OS也是由FreeBSD Unix世襲而來的!
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