UNIX © is the worldwide Single UNIX Specification for OSes, integrating X/Open Company's XPG4, IEEE's POSIX Standards and ISO C language.

Unix-like is used also to refer to a large family of OSes inspired from the original Unix from Bell Labs (Unix histories).

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Also linked from: Agnix   Andy Tanenbaum   AtheOS   C Compiler dlopen VM   CLI   Clump   EUMEL   freshmeat   J   Java   LispOS   Microkernel   Microkernel Debate   Multics   No-Kernel   OCAML   Ocelot   OKE   Open Development   Operating Systems   OS161   OSKit   OZONE   Perl   Plan9   Proolix   Q shell   RPL   Scheme   self-proclaimed “hackers”   Thread   TUNES On Top of POSIX   User Rights   Wily   zzz