mesg(1) [minix man page]

MESG(1) 						      General Commands Manual							   MESG(1)

NAME

       mesg - permit or deny messages

SYNOPSIS

       mesg [ n ] [ y ]

DESCRIPTION

       Mesg  with argument n forbids messages via write and talk(1) by revoking non-user write permission on the user's terminal.  Mesg with argu-
       ment y reinstates permission.  All by itself, mesg reports the current state without changing it.

FILES

       /dev/tty*

SEE ALSO

       write(1), talk(1).

DIAGNOSTICS

       Exit status is 0 if messages are receivable, 1 if not, 2 on error.

7th Edition							  April 29, 1985							   MESG(1)

mesg(1) 						      General Commands Manual							   mesg(1)

NAME

       mesg - permit or deny messages to terminal

SYNOPSIS

DESCRIPTION

       The  command  form  forbids  messages  via  by revoking write permission to users without appropriate privilege on the user's terminal (see
       write(1)).  The command form reinstates permission so that only legitimate commands (such as write(1)) can be used by other users  to  send
       messages.  allows applications such as or to send messages to the user's terminal (that is, without restrictions).  without any other argu-
       ment reports the current state without changing it.

RETURN VALUE

       returns the following values:

	      0    Messages are receivable.
	      1    Messages are not receivable.
	      2    An error occurred.

EXTERNAL INFLUENCES

   Environment Variables
       determines the language in which messages are displayed.

       If is not specified in the environment or is set to the empty string, the value of is used as a default for each unspecified or empty vari-
       able.  If is not specified or is set to the empty string, a default of "C" (see lang(5)) is used instead of

       If  any	internationalization  variable	contains an invalid setting, behaves as if all internationalization variables are set to "C".  See
       environ(5).

FILES

SEE ALSO

       write(1).

STANDARDS CONFORMANCE

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