1tty(7D)                             Devices                            tty(7D)
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NAME

6       tty - controlling terminal interface
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DESCRIPTION

9       The file /dev/tty is, in each process, a synonym for the control termi‐
10       nal associated with the process group of that process, if  any.  It  is
11       useful  for programs or shell sequences that wish to be sure of writing
12       messages on the terminal no matter how output has been  redirected.  It
13       can  also  be used for programs that demand the name of a file for out‐
14       put, when typed output is desired and it is tiresome to find  out  what
15       terminal is currently in use.
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FILES

18       /dev/tty
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21       /dev/tty*
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SEE ALSO

24       ports(1M), console(7D)
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28SunOS 5.11                        3 Jul 1990                           tty(7D)