Editing POSIX (section)

{{Short description|Family of IEEE standards for compatibility between operating systems}}
{{Distinguish|text=[[Unix]], [[Unix-like]], or [[Linux]]}}
{{Use dmy dates|date=October 2023}}
{{Infobox technology standard
| title             = Portable Operating System Interface (IEEE 1003)
| status            = Published
| year_started      = {{Start date and age|1988}}
| version           = IEEE Std 1003.1-2024
| version_date      = {{Start date and age|2024}}
| organization      = [[Austin Group]] ([[IEEE Computer Society]], [[The Open Group]], [[ISO/IEC JTC 1/SC 22]]/WG 15)
| related_standards = [[International Organization for Standardization|ISO]]/[[International Electrotechnical Commission|IEC]] 9945
| abbreviation      = POSIX
| domain            = [[Application programming interface]]s
| website           = {{URL|https://posix.opengroup.org}}
}}
The '''Portable Operating System Interface''' ('''POSIX'''; {{IPAc-en|IPA|ˈ|p|ɒ|z|.|ɪ|k|s}}<ref name="FAQ">{{cite web|date=13 June 2020|title=POSIX.1 FAQ|url=https://www.opengroup.org/austin/papers/posix_faq.html|publisher=The Open Group|access-date=20 February 2023}}</ref>) is a family of [[standardization|standard]]s specified by the [[IEEE Computer Society]] for maintaining compatibility between [[operating system]]s.<ref name="FAQ"/> POSIX defines [[API|application programming interface]]s (APIs), along with command line [[Unix shell|shell]]s and utility interfaces, for software compatibility (portability) with variants of [[Unix]] and other operating systems.<ref name="FAQ"/><ref name="IET">{{cite web|title=IEEE 1003.1-2024|url =https://standards.ieee.org/ieee/1003.1/7700/|website=IEEE Standards Association}}</ref> POSIX is also a [[trademark]] of the IEEE.<ref name="FAQ"/> POSIX is intended to be used by both application and system developers.<ref>{{Cite web|title=Introduction|url=https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap01.html|access-date=22 July 2021|work=The Open Group Base Specifications Issue 7, 2018 edition}}</ref> As of POSIX 2024, the standard is aligned with the [[C17 (C standard revision)|C17]] language standard<!-- up from C99 seemingly -->.