(EN) POSIX™ 1003.1 Frequently Asked Questions (FAQ Version 1.18), su opengroup.org. URL consultato il 7 luglio 2021.
«The name POSIX was suggested by Richard Stallman. It is expected to be pronounced pahz-icks, as in positive, not poh-six, or other variations. The pronunciation has been published in an attempt to promulgate a standardized way of referring to a standard operating system interface.»
