xon
Free On-line Dictionary of Computing
control-Q DC1 XON
<character> (XON, DC1, Device Control 1, ASCII code 17). A control character, used in software handshaking to resume output after a previous control-S. [Jargon File]
(2020-03-01)
The Jargon File
XON /X·on/, n.
Syn. control-Q.