See also: Computer | Operating System

Acronym: Portable Operating System Interface

A standard for compatability for UNIX-based (*NIX) systems. However, POSIX compliance does not require a UNIX-base. For instance: BeOS is not UNIX but has compatibility with POSIX systems.

POSIX near-compliant Operating Systems

Some individual OS’ cannot fund the test for compliance but are otherwise known to be reasonably compliant. They are included for completeness.

TakeDown.NET -> “POSIX