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Standard

IEEE 1003.1-2024

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Abstract

Revision Standard - Active. POSIX.1-2024 is simultaneously IEEE Std 1003.1™-2024 and The Open Group Standard Base Specifications, Issue 8. POSIX.1-2024 defines a standard operating system interface and environment, including a command interpreter (or “shell”), and common utility programs to support applications portability at the source code level. POSIX.1-2024 is intended to be used by both application developers and system implementors and comprises four major components (each in an associated volume): --General terms, concepts, and interfaces common to all volumes of this standard, including utility conventions and C-language header definitions, are included in the Base Definitions volume. --Definitions for system service functions and subroutines, language-specific system services for the C programming language, function issues, including portability, error handling, and error recovery, are included in the System Interfaces volume. --Definitions for a standard source code-level interface to command interpretation services (a “shell”) and common utility programs for application programs are included in the Shell and Utilities volume. --Extended rationale that did not fit well into the rest of the document structure, which contains historical information concerning the contents of POSIX.1-2024 and why features were included or discarded by the standard developers, is included in the Rationale (Informative) volume.

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  • Standard from IEEE
  • Published:
  • Document type: IS
  • Pages
  • Publisher: IEEE
  • Distributor: IEEE
  • National Committee: IEEE Computer Society / Microprocessor Standards Committee

Product Relations

  • Revises: IEEE 1003.1-2017
  • Revises: IEEE 1003.1-2017
  • Refers: ISO/IEC 9899: 2018, Programming Languages -- C.
  • Refers: ISO 4217: 2015, Codes for the representation of currencies.
  • Refers: ISO/IEC 646: 1991, Information Processing -- ISO 7-Bit Coded Character Set for Information Interchange.
  • Refers: ISO/IEC 10646: 2020, Information Technology -- Universal coded character set (UCS).
  • Refers: ISO 8601-1: 2019, Date and time -- Representations for information interchange -- Part 1: Basic rules.