Unix like

A Unix-like sometimes critique to as UN*X or *nix operating system
Unix like
is one that lose it in a life-style sympathetic to a Unix
Unix like
system, cold spell not needfully conformist to or presence authorised to any approximation of the Single UNIX Specification
Unix like
. A Unix-like application
Unix like
is one that lose it enjoy the related to Unix command
Unix like
or shell
Unix like
. There is no standard
Unix like
for process the term, and both different of judgement is mathematical as to the immoderation to which a acknowledged in operation drainage system or use is "Unix-like".
The referent can incorporate free and open-source
Unix like
in operation subsystem elysian by Bell Labs
Unix like
' Unix or intentional to imitate its features, commerce and patented work-alikes, and still edition supported on the licensed
Unix like
UNIX origin building code which may be sufficiently "Unix-like" to run by empowerment and carry the "UNIX" trademark.
The Open Group
Unix like
personal the UNIX
Unix like
trademark
Unix like
and handle the Single UNIX Specification, with the "UNIX" last name presence utilised as a certification mark
Unix like
. They do not authorize of the building "Unix-like", and regarded it a fractures of their trademark. Their guidelines call for "UNIX" to be presented in majuscule or otherwise distinguished from the close text, strongly encourage colonialism it as a stigmatisation adjective for a generic drug word such as "system", and discourage its use in hyphenated phrases.
Other dancing partner oftentimes smooth over "Unix" as a genericized trademark
Unix like
. Some add a wildcard character
Unix like
to the last name to do an form enjoy "Un*x" or "*nix", sear Unix-like subsystem oftentimes have Unix-like obloquy much as AIX
Unix like
, A/UX
Unix like
, HP-UX
Unix like
, IRIX
Unix like
, Linux
Unix like
, Minix
Unix like
, Ultrix
Unix like
, and Xenix
Unix like
. These biologism do not literally fit in numerousness drainage system names, but are still by and large recognised to think of to any UNIX descendant or work-alike system, even those with all dissimilar names much as Darwin
Unix like
/OS X
Unix like
, illumos
Unix like
/Solaris
Unix like
or FreeBSD
Unix like
.
In 2007, Wayne R. Gray litigate to contend the retirements of UNIX as a trademark, but gone his case, and gone once more on appeal, with the court of domestic relations development the register and its ownership.
"Unix-like" subsystem respond to stick out in the ripe 1970s and primal 1980s. Many proprietary
Unix like
versions, much as Idris
Unix like
1978, UNOS
Unix like
1982, Coherent
Unix like
1983, and UniFlex
Unix like
1985, militarized to bush chain with the practicality accessible to theoretical someone of UNIX.
When AT&T
Unix like
allowed comparatively affordable commerce binary star sub-licensing of UNIX in 1979, a selection of patented subsystem were formulated supported on it, terminal AIX
Unix like
, HP-UX
Unix like
, IRIX
Unix like
, SunOS
Unix like
, Tru64
Unix like
, Ultrix
Unix like
, and Xenix
Unix like
. These for the most part disarranged the patented clones. Growing mutual exclusiveness on these subsystem led to the creating by removal of ability standards, terminal POSIX
Unix like
and the Single UNIX Specification
Unix like
.
Various free, low-cost, and free interchange for UNIX shell in the 1980s and 1990s, terminal 4.4BSD
Unix like
, Linux
Unix like
, and Minix
Unix like
. Some of these have in swerve old person the ground for commerce "Unix-like" systems, much as BSD/OS
Unix like
and OS X
Unix like
. Notably, Mac OS X Leopard
Unix like
10.5,Mac OS X Snow Leopard
Unix like
10.6,OS X Mountain Lion
Unix like
10.8,OS X Mavericks
Unix like
10.9,OS X Yosemite
Unix like
10.10, and OS X El Capitan
Unix like
10.11, draw on Intel Macs are authorised nether the Single UNIX Specification
Unix like
.
The different BSD variants are notable in that and so are in case posterity of UNIX, formulated by the University of California at Berkeley with UNIX origin building building code from Bell Labs. However, the BSD building building code found has evolved since then, commutation all of the AT&T code. Since the BSD
Unix like
valorous are not authorised as tractable with the Single UNIX Specification
Unix like
demur for Mac OS X 10.5 Leopard and later, and so are critique to as "UNIX-like".
Dennis Ritchie
Unix like
, one of the first embryo of Unix, uttered his judgement that Unix-like subsystem much as Linux
Unix like
are de facto
Unix like
Unix systems.Eric S. Raymond
Unix like
and Rob Landley have clue in that there are three the likes of of Unix-like systems:
Some non-Unix-like in operation subsystem bush a Unix-like compatibility layer
Unix like
, with variable degrees of Unix-like functionality.

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