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tty(7)									tty(7)

NAME
       tty - controlling terminal interface

DESCRIPTION
       The  file is, in each process, a synonym for the control terminal asso‐
       ciated with the process group of that process, if any.	It  is	useful
       for  programs  or  shell sequences that need to be sure of writing mes‐
       sages on the terminal no matter how output has been redirected.	It can
       also  be	 used  for programs that demand the name of a file for output,
       when typed output is desired, and it is tiresome to find out what  ter‐
       minal is currently in use.

FILES
SEE ALSO
       termio(7).

STANDARDS CONFORMANCE
									tty(7)

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