sending messages through terminal Post: 12163

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LEARN ABOUT SUNOS

mesg

mesg(1) 							   User Commands							   mesg(1)

NAME

       mesg - permit or deny messages

SYNOPSIS

       mesg [-n | -y | n | y]

DESCRIPTION

       The  mesg  utility  will  control  whether other users are allowed to send messages via write(1), talk(1), or other utilities to a terminal
       device. The terminal device affected is determined by searching for the first terminal in the sequence of devices associated with  standard
       input,  standard output, and standard error, respectively. With no arguments, mesg reports the current state without changing it. Processes
       with appropriate privileges may be able to send messages to the terminal independent of the current state.

OPTIONS

       The following options are supported:

       -n|n	Denies permission to other users to send message to the terminal. See write(1).

       -y|y	Grants permission to other users to send messages to the terminal.

ENVIRONMENT VARIABLES

       See environ(5) for descriptions of the following environment variables that affect the execution of mesg: LANG, LC_ALL,	LC_CTYPE,  LC_MES-
       SAGES, and NLSPATH.

EXIT STATUS

       The following exit values are returned:

       0	if messages are receivable.

       1	if messages are not receivable.

       2	on error.

FILES

       /dev/tty*       terminal devices

       /dev/pts/*      terminal devices

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       talk(1), write(1), attributes(5), environ(5), standards(5)

SunOS 5.10							    31 Oct 1997 							   mesg(1)

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