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GNU Info (sh-utils.info)tty invocation`tty': Print file name of terminal on standard input ==================================================== `tty' prints the file name of the terminal connected to its standard input. It prints `not a tty' if standard input is not a terminal. Synopsis: tty [OPTION]... The program accepts the following option. Also see Note: Common options. `-s' `--silent' `--quiet' Print nothing; only return an exit status. Exit status: 0 if standard input is a terminal 1 if standard input is not a terminal 2 if given incorrect arguments 3 if a write error occurs automatically generated by info2www version 1.2.2.9 |