Penguin
Annotated edit history of ENQ version 4 showing authors affecting page license. View with all changes included.
Rev Author # Line
2 CraigBox 1 [Abbreviation|Acronym] for __Enq__uiry. [ASCII] character ENQ 0x05 (^E). Historically used by simple serial protocols to test a link (ENQ/ACK), similar to an [ICMP] Echo Request
1 zcat(1) 2
2 CraigBox 3 Often used by [Nerds|Nerd] on [IRC] as a shorthand for "are you there", provoking responses of "[ACK]" (yes I am) or "[NAK]" (no I'm not)