What is the abbreviation of posix?

What is the abbreviation of posix?

Portable Operating System Interface (English: Portable Operating System Interface, abbreviated as POSIX) is a series of interrelated standards defined by IEEE for running software on various UNIX operating systems. The general name of , its official name is IEEE Std 1003, and the international standard name is ISO/IEC 9945. This standard stems from a project that began around 1985. The name POSIX was proposed by Richard Stallman (RMS) at the request of the IEEE for an easy-to-remember name. It's basically short for Portable Operating System Interface, with the X indicating its heritage from the Unix API.

Introduction

Linux has basically gradually achieved POSIX compatibility, but has not participated in formal POSIX certification.

Microsoft's Windows NT claims to partially implement the POSIX standard.

The current POSIX is mainly divided into four parts: Base Definitions, System Interfaces, Shell and Utilities and Rationale.

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