# ISO/IEC/IEEE 9945:2009 — Withdrawn and superseded ISO standards

For ISO/IEC/IEEE 9945:2009, item title is Information technology — Portable Operating System Interface (POSIX®) Base Specifications, Issue 7; status code is 9599; successor is ISO/IEC DIS 9945 | ISO/IEC/IEEE 9945:2026; withdrawn / published date is 2009-09-15, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC/IEEE 9945:2009 _(verified: appears in the quote below)_
- **Item title:** Information technology — Portable Operating System Interface (POSIX®) Base Specifications, Issue 7 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC DIS 9945 | ISO/IEC/IEEE 9945:2026
- **Withdrawn / published date:** 2009-09-15 _(verified: appears in the quote below)_

## What the source says

> 50516,IS,,ISO/IEC/IEEE 9945:2009,"Information technology — Portable Operating System Interface (POSIX®) Base Specifications, Issue 7","Technologies de l'information — Spécifications de base de l'interface pour la portabilité des systèmes (POSIX®), Issue 7",2009-09-15,1,['35.060'],ISO/IEC JTC 1/SC 22,9599,"[38791,38792,40690,40687,38789,40688,40691,38790]","[86539,91911]",['en'],3807,"<p>ISO/IEC/IEEE 9945:2009 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. ISO/IEC/IEEE 9945:2009 is intended to be used by both application developers and system

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).