TTY

TTY is a short form of several things:Teletypewriter or Teletype, a typewriter with an electronic communication channelTeletypewriter as a common name for telecommunications device for the deaf (TDD)A generic term for any computer data terminal or associated serial interfacetty, a Unix command that outputs the name of the current terminal. This is equivalent to the string that would be returned by the ttyname(3) library function.Tampereen teknillinen yliopisto, the Finnish name for Tampere University of TechnologyA short term used online meaning "talk to you later." Associated with TTYL.
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Abbreviation for teletypewriter.

A printing telegraph instrument that has a signal-actuated mechanism for automatically printing received messages. Note 1: A TTY may have a keyboard similar to that of a typewriter for sending messages. (188 ) Note 2: Radio circuits carrying TTY traffic are called "RTTY circuits" or "RATT circuits."

<hardware> /tit'ee/ (ITS pronunciation, but some Unix people say it this way as well; this pronunciation is not considered to have sexual undertones), /T T Y/
1. teletypewriter.
2. (Especially Unix) Any terminal at all; sometimes used to refer to the particular terminal controlling a given job (it is also the name of a Unix command which outputs the name of the current controlling terminal).
3. (Unix) Any serial port, whether or not the device connected to it is a terminal; so called because under Unix such devices have names of the form tty*. Ambiguity between senses 2 and 3 is common but seldom bothersome.
4. A TDD.
[Jargon File]
(1995-11-23)

A teletypewriter (TTY) is a communication device used by people who are deaf, hard of hearing, or have a severe-speech impairment. A TTY consists of a keyboard, display screen, and modem. Messages travel over regular telephone lines. People who don't have a TTY can communicate with a TTY user through a message relay center (MRC). An MRC has TTY operators available to send and interpret TTY messages.

teletypewriter: also known as a TDD (Telecommunications Device for the Deaf)

Context: General