差分

* The Open Groupの定めるUNIX 03仕様を満たし、それをThe Open Groupが認めたもの<ref>[http://www.opengroup.org/openbrand/docs/UNIX03_Certification_Guide.html Guide to UNIX 03 Certification]</ref><ref>[http://www.opengroup.org/openbrand/register/ The Open Brand - Register of Certified Products]</ref>