PA key

Provided by the ASK Keyboard Dictionary

Acronyms​/​initialisms: PACategory: ConceptsOrigin: Official

Also known as: PAx key

A program access key (PAn nomenclature) was a key found on some terminal and host-connected keyboards, used for calling a running program to communicate with it. It is typically found on IBM 3270-style and IBM 315X/316X ASCII style keyboards.

Sources

ASK. Admiral Shark's Keyboards original content. License/note: CC BY-NC-SA 4.0.