Category

Open Group standards

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X Window System

graphics controller and network protocol for UNIX-like systems

The Portable Operating System Interface (POSIX; ) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems. In order to define a level of compatibility, POSIX specifies many aspects of functionality that can be classified as application programming interface (API), command-line shell, and shell commands. Originally derived from commonly-found Unix APIs, shells, and commands (partly because Unix was considered manufacturer-neutral), today many systems conform to the standard including branded Unix systems, Unix-like systems, and man

Lightweight Directory Access Protocol

computer network protocol

Common Desktop Environment

desktop environment for Unix and OpenVMS operating systems

industry consortium working for open, unified standards for Unix systems

The Open Group Architecture Framework

reference model for enterprise architecture

Single UNIX Specification

family of standards for computer operating systems, compliance with which is required to qualify for using the "UNIX" trademark

pluggable authentication module

flexible mechanism for authenticating users

thumb|Insurance claim process depicted in ArchiMate. Archimate enables modelling in different layers.

Distributed Computing Environment

communications protocol

distributed transaction processing standard

Common Open Software Environment

consortium of Unix vendors

Call Level Interface

APIT and software standard