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 tty(7)								      tty(7)




 NAME
      tty - controlling terminal interface

 DESCRIPTION
      The file /dev/tty is, in each process, a synonym for the control
      terminal associated with the process group of that process, if any.
      It is useful for programs or shell sequences that need to be sure of
      writing messages 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 terminal is currently in use.

 FILES
      /dev/tty
      /dev/tty*

 SEE ALSO
      termio(7).

 STANDARDS CONFORMANCE
      tty: AES, SVID2, SVID3, XPG2, XPG3, XPG4, FIPS 151-2, POSIX.1

































 Hewlett-Packard Company	    - 1 -   HP-UX Release 11i: November 2000