POSIX™ Test Suites

Last Updated 12 February 2025

Current Test Suites

Test Suite Version
Number		 Authorized
for use in
Certification		 Product Standard
The Open Group POSIX Conformance Test Suite for System Interfaces
VSX-PCTS2003
certification test suite		 2.27 15 January 2025 1003.1-2003 System Interfaces
The Open Group POSIX Conformance Test Suite for Shell and Utilities
VSC-PCTS2003
certification test suite		 2.24 1003.1-2003 Shell and Utilities, 1003.13-2003 Shell and Utilities
The Open Group POSIX Conformance Test Suite for System Interfaces
VSX-PCTS2016
certification test suite		 1.15 12 February 2017 1003.1-2016 System Interfaces
The Open Group POSIX Conformance Test Suite for Shell and Utilities
VSC-PCTS2016
certification test suite		 2.24 12 February 2017 1003.1-2016 Shell and Utilities
The Open Group POSIX Conformance Test Suite for PSE54 Multipurpose Realtime 1003.13-2003 System VSPSE54-2003 certification test suite 1.33 1003.13-2003 PSE54 System Interfaces
The Open Group POSIX Conformance Test Suite for PSE52 Realtime Controller 1003.13-2003 System VSPSE52-2003 certification test suite

Comprises VSTH-PSE5.5.20, VSRT-PSE5.4.20, VSX4-PSE4.7.24		 -- Last update 12 February 2025

Only current versions that are authorized for Certification as listed above can be used for formal registration. Latest versions of the certification test suites are available for no fee to organizations submitting a product for certification.

The licenses together with instructions are available here in PDF:

The Open Group also supports open source projects developing implementations of the standards by providing a twelve month free license.


For more information contact obconformance-at-opengroup.org.


Previous version - still valid

Test Suite Version
Number		 Expiry date
VSX-PCTS2003 2.26 15 July 2025
VSX-PCTS2016 1.14 12 July 2025
VSPSE54-2003 1.32 12 July 2025
*For PSE52 see the above table

CHANGEOVER POLICY

See the POSIX Certification Policy for the policy on the overlap period when new releases of test suites are introduced.