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1969
1971 to 1973
1974 to 1975
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2003
2001 to 2002
2005 to 2007
2008 to 2009
2004
2010
2011 to 2018
2019 to 2023
1969
1971 to 1973
1974 to 1975
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2003
2001 to 2002
2005 to 2007
2008 to 2009
2004
2010
2011 to 2018
2019 to 2023
Open source
Mixed/shared source
Closed source
Unix-like systems
Xenix1.0 to 2.3
SunOS1 to 1.1
System III
System VR1 to R2
System VR3
System VR4
Xenix3.0
SCO Xenix
SCO XenixV/286
SCO XenixV/386
SCO XenixV/386
AIX1.0
SunOS1.2 to 3.0
SunOS4
Unix9 and 10(last versionsfromBell Labs)
HP-UX6 to 11.10
HP-UX1.0 to 1.2
HP-UX2.0 to 3.0
AIX3.0 to 7.3
HP-UX11i v1 to 11i v3
SCO UNIX3.2.4
OpenServer5.0 to 5.04
OpenServer5.0.5 to 5.0.7
OpenServer6.x
UnixWare1.x to 2.x(System V R4.2)
UnixWare7.x(System V R5)
Solaris2.1 to 9
Solaris10
Solaris11.0 to 11.4
NeXTSTEPOpenSTEP1.0 to 4.2
Mac OS XServer
Unnamed PDP-7 operating system
UnixVersion 1 to 4
UnixVersion 5 to 6
BSD1.0 to 2.0
UnixVersion 7
Unix/32V
BSD3.0 to 4.1
BSD 4.2
PWB/Unix
BSD 4.3
BSD 4.3Tahoe
UnixVersion 8
BSD 4.3Reno
Linux 0.0.1To 0.9
Minix1.x
Mac OS X,OS X,macOS10.x to 13.x(Darwin1.2.1 to 22)
OpenSolaris& derivatives(Illumos, etc.)
Linux2.0 to 6.x
Minix2.x
Minix3.1.0 to 3.4.0
BSD Net/2
386BSD
FreeBSD1.0 to 2.2x
FreeBSD3.0 to 3.2
FreeBSD3.3 to 4.x
FreeBSD5.0 to 13.x
BSD4.4-Lite&Lite Release 2
DragonFly BSD1.0 to 6.4
BSD Net/1
NetBSD0.8 to 1.0
NetBSD1.1 to 1.2
NetBSD 1.3
NetBSD1.4 to 9.x
OpenBSD1.0 to 2.2
OpenBSD2.3 to 7.2